Finding the Fourth Proportional to 123,145.59, 169,937.52 and 69,430.14

Step by Step Solution

1. Step 1: Write the proportion equation
   123,145.59 : 169,937.52 = 69,430.14 : x
2. Step 2: Convert to fraction form
   123,145.59/169,937.52 = 69,430.14/x
3. Step 3: Cross multiply
   123,145.59x = 169,937.52 × 69,430.14
4. Step 4: Simplify right side
   123,145.59x = 11,798,785,804.85
5. Step 5: Solve for x
   x = 11,798,785,804.85/123,145.59
6. Step 6: Final answer
   x = 95,811.68