Finding the Fourth Proportional to 74,268.24, 102,488.76 and 42,002.43

Step by Step Solution

1. Step 1: Write the proportion equation
   74,268.24 : 102,488.76 = 42,002.43 : x
2. Step 2: Convert to fraction form
   74,268.24/102,488.76 = 42,002.43/x
3. Step 3: Cross multiply
   74,268.24x = 102,488.76 × 42,002.43
4. Step 4: Simplify right side
   74,268.24x = 4,304,776,967.69
5. Step 5: Solve for x
   x = 4,304,776,967.69/74,268.24
6. Step 6: Final answer
   x = 57,962.56