Finding the Fourth Proportional to 159,000.91, 219,434.72 and 108,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,000.91 : 219,434.72 = 108,126.50 : x
2. Step 2: Convert to fraction form
   159,000.91/219,434.72 = 108,126.50/x
3. Step 3: Cross multiply
   159,000.91x = 219,434.72 × 108,126.50
4. Step 4: Simplify right side
   159,000.91x = 23,726,706,614.27
5. Step 5: Solve for x
   x = 23,726,706,614.27/159,000.91
6. Step 6: Final answer
   x = 149,223.72