Finding the Fourth Proportional to 83,906,801,611.86, 115,812,930,347.79 and 54,649,120,109.94

Step by Step Solution

1. Step 1: Write the proportion equation
   83,906,801,611.86 : 115,812,930,347.79 = 54,649,120,109.94 : x
2. Step 2: Convert to fraction form
   83,906,801,611.86/115,812,930,347.79 = 54,649,120,109.94/x
3. Step 3: Cross multiply
   83,906,801,611.86x = 115,812,930,347.79 × 54,649,120,109.94
4. Step 4: Simplify right side
   83,906,801,611.86x = 6,329,074,740,859,911,536,640
5. Step 5: Solve for x
   x = 6,329,074,740,859,911,536,640/83,906,801,611.86
6. Step 6: Final answer
   x = 75,429,817,598.55