Finding the Fourth Proportional to 146,632.72, 202,342.98 and 86,205.91

Step by Step Solution

1. Step 1: Write the proportion equation
   146,632.72 : 202,342.98 = 86,205.91 : x
2. Step 2: Convert to fraction form
   146,632.72/202,342.98 = 86,205.91/x
3. Step 3: Cross multiply
   146,632.72x = 202,342.98 × 86,205.91
4. Step 4: Simplify right side
   146,632.72x = 17,443,160,723.01
5. Step 5: Solve for x
   x = 17,443,160,723.01/146,632.72
6. Step 6: Final answer
   x = 118,958.17