Finding the Fourth Proportional to 65,828.31, 98,752.68 and 21,444.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,828.31 : 98,752.68 = 21,444.72 : x
2. Step 2: Convert to fraction form
   65,828.31/98,752.68 = 21,444.72/x
3. Step 3: Cross multiply
   65,828.31x = 98,752.68 × 21,444.72
4. Step 4: Simplify right side
   65,828.31x = 2,117,723,571.85
5. Step 5: Solve for x
   x = 2,117,723,571.85/65,828.31
6. Step 6: Final answer
   x = 32,170.41