Finding the Fourth Proportional to 83,733.12, 125,596.80 and 21,404.16

Step by Step Solution

1. Step 1: Write the proportion equation
   83,733.12 : 125,596.80 = 21,404.16 : x
2. Step 2: Convert to fraction form
   83,733.12/125,596.80 = 21,404.16/x
3. Step 3: Cross multiply
   83,733.12x = 125,596.80 × 21,404.16
4. Step 4: Simplify right side
   83,733.12x = 2,688,294,002.69
5. Step 5: Solve for x
   x = 2,688,294,002.69/83,733.12
6. Step 6: Final answer
   x = 32,105.50