Finding the Fourth Proportional to 215,713.02, 323,570.25 and 65,952.72

Step by Step Solution

1. Step 1: Write the proportion equation
   215,713.02 : 323,570.25 = 65,952.72 : x
2. Step 2: Convert to fraction form
   215,713.02/323,570.25 = 65,952.72/x
3. Step 3: Cross multiply
   215,713.02x = 323,570.25 × 65,952.72
4. Step 4: Simplify right side
   215,713.02x = 21,340,338,098.58
5. Step 5: Solve for x
   x = 21,340,338,098.58/215,713.02
6. Step 6: Final answer
   x = 98,929.30