Finding the Fourth Proportional to 113,146.72, 169,580.72 and 46,545.28

Step by Step Solution

1. Step 1: Write the proportion equation
   113,146.72 : 169,580.72 = 46,545.28 : x
2. Step 2: Convert to fraction form
   113,146.72/169,580.72 = 46,545.28/x
3. Step 3: Cross multiply
   113,146.72x = 169,580.72 × 46,545.28
4. Step 4: Simplify right side
   113,146.72x = 7,893,182,095.00
5. Step 5: Solve for x
   x = 7,893,182,095.00/113,146.72
6. Step 6: Final answer
   x = 69,760.59