Finding the Fourth Proportional to 117,196.71, 161,625.15 and 76,895.16

Step by Step Solution

1. Step 1: Write the proportion equation
   117,196.71 : 161,625.15 = 76,895.16 : x
2. Step 2: Convert to fraction form
   117,196.71/161,625.15 = 76,895.16/x
3. Step 3: Cross multiply
   117,196.71x = 161,625.15 × 76,895.16
4. Step 4: Simplify right side
   117,196.71x = 12,428,191,769.27
5. Step 5: Solve for x
   x = 12,428,191,769.27/117,196.71
6. Step 6: Final answer
   x = 106,045.57