Finding the Fourth Proportional to 65,873.62, 98,826.17 and 21,500.45

Step by Step Solution

1. Step 1: Write the proportion equation
   65,873.62 : 98,826.17 = 21,500.45 : x
2. Step 2: Convert to fraction form
   65,873.62/98,826.17 = 21,500.45/x
3. Step 3: Cross multiply
   65,873.62x = 98,826.17 × 21,500.45
4. Step 4: Simplify right side
   65,873.62x = 2,124,807,019.27
5. Step 5: Solve for x
   x = 2,124,807,019.27/65,873.62
6. Step 6: Final answer
   x = 32,255.81