Finding the Fourth Proportional to 147,339.63, 221,007.83 and 88,191.81

Step by Step Solution

1. Step 1: Write the proportion equation
   147,339.63 : 221,007.83 = 88,191.81 : x
2. Step 2: Convert to fraction form
   147,339.63/221,007.83 = 88,191.81/x
3. Step 3: Cross multiply
   147,339.63x = 221,007.83 × 88,191.81
4. Step 4: Simplify right side
   147,339.63x = 19,491,080,110.91
5. Step 5: Solve for x
   x = 19,491,080,110.91/147,339.63
6. Step 6: Final answer
   x = 132,286.75