Finding the Fourth Proportional to 113,145.14, 169,655.52 and 73,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,145.14 : 169,655.52 = 73,158.50 : x
2. Step 2: Convert to fraction form
   113,145.14/169,655.52 = 73,158.50/x
3. Step 3: Cross multiply
   113,145.14x = 169,655.52 × 73,158.50
4. Step 4: Simplify right side
   113,145.14x = 12,411,743,359.92
5. Step 5: Solve for x
   x = 12,411,743,359.92/113,145.14
6. Step 6: Final answer
   x = 109,697.54