Finding the Fourth Proportional to 47,331.86, 65,339.42 and 30,111.30

Step by Step Solution

1. Step 1: Write the proportion equation
   47,331.86 : 65,339.42 = 30,111.30 : x
2. Step 2: Convert to fraction form
   47,331.86/65,339.42 = 30,111.30/x
3. Step 3: Cross multiply
   47,331.86x = 65,339.42 × 30,111.30
4. Step 4: Simplify right side
   47,331.86x = 1,967,454,726.89
5. Step 5: Solve for x
   x = 1,967,454,726.89/47,331.86
6. Step 6: Final answer
   x = 41,567.24