Finding the Fourth Proportional to 142,182.96, 213,195.06 and 89,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182.96 : 213,195.06 = 89,479.50 : x
2. Step 2: Convert to fraction form
   142,182.96/213,195.06 = 89,479.50/x
3. Step 3: Cross multiply
   142,182.96x = 213,195.06 × 89,479.50
4. Step 4: Simplify right side
   142,182.96x = 19,076,587,371.27
5. Step 5: Solve for x
   x = 19,076,587,371.27/142,182.96
6. Step 6: Final answer
   x = 134,169.29