Finding the Fourth Proportional to 31,485.91, 47,233.98 and 9,301.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,485.91 : 47,233.98 = 9,301.52 : x
2. Step 2: Convert to fraction form
   31,485.91/47,233.98 = 9,301.52/x
3. Step 3: Cross multiply
   31,485.91x = 47,233.98 × 9,301.52
4. Step 4: Simplify right side
   31,485.91x = 439,347,809.65
5. Step 5: Solve for x
   x = 439,347,809.65/31,485.91
6. Step 6: Final answer
   x = 13,953.79