Finding the Fourth Proportional to 65,766.63, 98,650.86 and 21,393.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,766.63 : 98,650.86 = 21,393.62 : x
2. Step 2: Convert to fraction form
   65,766.63/98,650.86 = 21,393.62/x
3. Step 3: Cross multiply
   65,766.63x = 98,650.86 × 21,393.62
4. Step 4: Simplify right side
   65,766.63x = 2,110,498,411.29
5. Step 5: Solve for x
   x = 2,110,498,411.29/65,766.63
6. Step 6: Final answer
   x = 32,090.72