Finding the Fourth Proportional to 74,862.12, 103,303.52 and 42,588.15

Step by Step Solution

1. Step 1: Write the proportion equation
   74,862.12 : 103,303.52 = 42,588.15 : x
2. Step 2: Convert to fraction form
   74,862.12/103,303.52 = 42,588.15/x
3. Step 3: Cross multiply
   74,862.12x = 103,303.52 × 42,588.15
4. Step 4: Simplify right side
   74,862.12x = 4,399,505,805.29
5. Step 5: Solve for x
   x = 4,399,505,805.29/74,862.12
6. Step 6: Final answer
   x = 58,768.12