Finding the Fourth Proportional to 74,404.23, 102,648.89 and 42,131.44

Step by Step Solution

1. Step 1: Write the proportion equation
   74,404.23 : 102,648.89 = 42,131.44 : x
2. Step 2: Convert to fraction form
   74,404.23/102,648.89 = 42,131.44/x
3. Step 3: Cross multiply
   74,404.23x = 102,648.89 × 42,131.44
4. Step 4: Simplify right side
   74,404.23x = 4,324,745,550.10
5. Step 5: Solve for x
   x = 4,324,745,550.10/74,404.23
6. Step 6: Final answer
   x = 58,125.00