Finding the Fourth Proportional to 71,591.50, 107,366.59 and 21,659.86

Step by Step Solution

1. Step 1: Write the proportion equation
   71,591.50 : 107,366.59 = 21,659.86 : x
2. Step 2: Convert to fraction form
   71,591.50/107,366.59 = 21,659.86/x
3. Step 3: Cross multiply
   71,591.50x = 107,366.59 × 21,659.86
4. Step 4: Simplify right side
   71,591.50x = 2,325,545,308.08
5. Step 5: Solve for x
   x = 2,325,545,308.08/71,591.50
6. Step 6: Final answer
   x = 32,483.54