Finding the Fourth Proportional to 83,772.76, 115,498.62 and 68,609.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,772.76 : 115,498.62 = 68,609.56 : x
2. Step 2: Convert to fraction form
   83,772.76/115,498.62 = 68,609.56/x
3. Step 3: Cross multiply
   83,772.76x = 115,498.62 × 68,609.56
4. Step 4: Simplify right side
   83,772.76x = 7,924,309,498.81
5. Step 5: Solve for x
   x = 7,924,309,498.81/83,772.76
6. Step 6: Final answer
   x = 94,592.91