Finding the Fourth Proportional to 42,242.52, 63,337.86 and 31,176.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,242.52 : 63,337.86 = 31,176.12 : x
2. Step 2: Convert to fraction form
   42,242.52/63,337.86 = 31,176.12/x
3. Step 3: Cross multiply
   42,242.52x = 63,337.86 × 31,176.12
4. Step 4: Simplify right side
   42,242.52x = 1,974,628,723.90
5. Step 5: Solve for x
   x = 1,974,628,723.90/42,242.52
6. Step 6: Final answer
   x = 46,745.05