Finding the Fourth Proportional to 31,501.25, 47,251.98 and 21,610.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,501.25 : 47,251.98 = 21,610.55 : x
2. Step 2: Convert to fraction form
   31,501.25/47,251.98 = 21,610.55/x
3. Step 3: Cross multiply
   31,501.25x = 47,251.98 × 21,610.55
4. Step 4: Simplify right side
   31,501.25x = 1,021,141,276.39
5. Step 5: Solve for x
   x = 1,021,141,276.39/31,501.25
6. Step 6: Final answer
   x = 32,415.90