Finding the Fourth Proportional to 215,359.88, 323,085.98 and 65,612.24

Step by Step Solution

1. Step 1: Write the proportion equation
   215,359.88 : 323,085.98 = 65,612.24 : x
2. Step 2: Convert to fraction form
   215,359.88/323,085.98 = 65,612.24/x
3. Step 3: Cross multiply
   215,359.88x = 323,085.98 × 65,612.24
4. Step 4: Simplify right side
   215,359.88x = 21,198,395,832.14
5. Step 5: Solve for x
   x = 21,198,395,832.14/215,359.88
6. Step 6: Final answer
   x = 98,432.43