Finding the Fourth Proportional to 74,277, 102,502.43 and 42,445.82

Step by Step Solution

1. Step 1: Write the proportion equation
   74,277 : 102,502.43 = 42,445.82 : x
2. Step 2: Convert to fraction form
   74,277/102,502.43 = 42,445.82/x
3. Step 3: Cross multiply
   74,277x = 102,502.43 × 42,445.82
4. Step 4: Simplify right side
   74,277x = 4,350,799,896.54
5. Step 5: Solve for x
   x = 4,350,799,896.54/74,277
6. Step 6: Final answer
   x = 58,575.33