Finding the Fourth Proportional to 83,906,801,612.42, 115,812,930,348.56 and 54,649,120,110.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,906,801,612.42 : 115,812,930,348.56 = 54,649,120,110.50 : x
2. Step 2: Convert to fraction form
   83,906,801,612.42/115,812,930,348.56 = 54,649,120,110.50/x
3. Step 3: Cross multiply
   83,906,801,612.42x = 115,812,930,348.56 × 54,649,120,110.50
4. Step 4: Simplify right side
   83,906,801,612.42x = 6,329,074,740,967,773,306,880
5. Step 5: Solve for x
   x = 6,329,074,740,967,773,306,880/83,906,801,612.42
6. Step 6: Final answer
   x = 75,429,817,599.33