Finding the Fourth Proportional to 31,601.34, 47,401.98 and 9,415.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,601.34 : 47,401.98 = 9,415.02 : x
2. Step 2: Convert to fraction form
   31,601.34/47,401.98 = 9,415.02/x
3. Step 3: Cross multiply
   31,601.34x = 47,401.98 × 9,415.02
4. Step 4: Simplify right side
   31,601.34x = 446,290,589.74
5. Step 5: Solve for x
   x = 446,290,589.74/31,601.34
6. Step 6: Final answer
   x = 14,122.52