Finding the Fourth Proportional to 117,807.71, 175,379.13 and 117,107.10

Step by Step Solution

1. Step 1: Write the proportion equation
   117,807.71 : 175,379.13 = 117,107.10 : x
2. Step 2: Convert to fraction form
   117,807.71/175,379.13 = 117,107.10/x
3. Step 3: Cross multiply
   117,807.71x = 175,379.13 × 117,107.10
4. Step 4: Simplify right side
   117,807.71x = 20,538,141,314.82
5. Step 5: Solve for x
   x = 20,538,141,314.82/117,807.71
6. Step 6: Final answer
   x = 174,336.15