Finding the Fourth Proportional to 74,255.15, 102,434.69 and 53,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,255.15 : 102,434.69 = 53,046.72 : x
2. Step 2: Convert to fraction form
   74,255.15/102,434.69 = 53,046.72/x
3. Step 3: Cross multiply
   74,255.15x = 102,434.69 × 53,046.72
4. Step 4: Simplify right side
   74,255.15x = 5,433,824,053.48
5. Step 5: Solve for x
   x = 5,433,824,053.48/74,255.15
6. Step 6: Final answer
   x = 73,177.74