Finding the Fourth Proportional to 215,380.41, 323,118.80 and 65,632.42

Step by Step Solution

1. Step 1: Write the proportion equation
   215,380.41 : 323,118.80 = 65,632.42 : x
2. Step 2: Convert to fraction form
   215,380.41/323,118.80 = 65,632.42/x
3. Step 3: Cross multiply
   215,380.41x = 323,118.80 × 65,632.42
4. Step 4: Simplify right side
   215,380.41x = 21,207,068,791.50
5. Step 5: Solve for x
   x = 21,207,068,791.50/215,380.41
6. Step 6: Final answer
   x = 98,463.31