Finding the Fourth Proportional to 65,868.53, 98,802.38 and 21,495.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,868.53 : 98,802.38 = 21,495.31 : x
2. Step 2: Convert to fraction form
   65,868.53/98,802.38 = 21,495.31/x
3. Step 3: Cross multiply
   65,868.53x = 98,802.38 × 21,495.31
4. Step 4: Simplify right side
   65,868.53x = 2,123,787,593.57
5. Step 5: Solve for x
   x = 2,123,787,593.57/65,868.53
6. Step 6: Final answer
   x = 32,242.83