Finding the Fourth Proportional to 31,976.37, 47,980.76 and 21,566.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,976.37 : 47,980.76 = 21,566.25 : x
2. Step 2: Convert to fraction form
   31,976.37/47,980.76 = 21,566.25/x
3. Step 3: Cross multiply
   31,976.37x = 47,980.76 × 21,566.25
4. Step 4: Simplify right side
   31,976.37x = 1,034,764,957.52
5. Step 5: Solve for x
   x = 1,034,764,957.52/31,976.37
6. Step 6: Final answer
   x = 32,360.30