Finding the Fourth Proportional to 65,865.96, 98,788.56 and 21,492.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,865.96 : 98,788.56 = 21,492.48 : x
2. Step 2: Convert to fraction form
   65,865.96/98,788.56 = 21,492.48/x
3. Step 3: Cross multiply
   65,865.96x = 98,788.56 × 21,492.48
4. Step 4: Simplify right side
   65,865.96x = 2,123,211,150.03
5. Step 5: Solve for x
   x = 2,123,211,150.03/65,865.96
6. Step 6: Final answer
   x = 32,235.33