Finding the Fourth Proportional to 142,182.91, 213,104.71 and 66,179.17

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182.91 : 213,104.71 = 66,179.17 : x
2. Step 2: Convert to fraction form
   142,182.91/213,104.71 = 66,179.17/x
3. Step 3: Cross multiply
   142,182.91x = 213,104.71 × 66,179.17
4. Step 4: Simplify right side
   142,182.91x = 14,103,092,830.89
5. Step 5: Solve for x
   x = 14,103,092,830.89/142,182.91
6. Step 6: Final answer
   x = 99,189.79