Finding the Fourth Proportional to 116,776, 161,154.72 and 63,784

Step by Step Solution

1. Step 1: Write the proportion equation
   116,776 : 161,154.72 = 63,784 : x
2. Step 2: Convert to fraction form
   116,776/161,154.72 = 63,784/x
3. Step 3: Cross multiply
   116,776x = 161,154.72 × 63,784
4. Step 4: Simplify right side
   116,776x = 10,279,092,660.48
5. Step 5: Solve for x
   x = 10,279,092,660.48/116,776
6. Step 6: Final answer
   x = 88,024.02