Finding the Fourth Proportional to 65,868.66, 98,818.71 and 21,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,868.66 : 98,818.71 = 21,495.50 : x
2. Step 2: Convert to fraction form
   65,868.66/98,818.71 = 21,495.50/x
3. Step 3: Cross multiply
   65,868.66x = 98,818.71 × 21,495.50
4. Step 4: Simplify right side
   65,868.66x = 2,124,157,086.71
5. Step 5: Solve for x
   x = 2,124,157,086.71/65,868.66
6. Step 6: Final answer
   x = 32,248.37