Finding the Fourth Proportional to 31,619.94, 47,436.14 and 9,432.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,619.94 : 47,436.14 = 9,432.83 : x
2. Step 2: Convert to fraction form
   31,619.94/47,436.14 = 9,432.83/x
3. Step 3: Cross multiply
   31,619.94x = 47,436.14 × 9,432.83
4. Step 4: Simplify right side
   31,619.94x = 447,456,866.76
5. Step 5: Solve for x
   x = 447,456,866.76/31,619.94
6. Step 6: Final answer
   x = 14,151.10