Finding the Fourth Proportional to 159,498.82, 220,108.98 and 87,877.30

Step by Step Solution

1. Step 1: Write the proportion equation
   159,498.82 : 220,108.98 = 87,877.30 : x
2. Step 2: Convert to fraction form
   159,498.82/220,108.98 = 87,877.30/x
3. Step 3: Cross multiply
   159,498.82x = 220,108.98 × 87,877.30
4. Step 4: Simplify right side
   159,498.82x = 19,342,582,868.15
5. Step 5: Solve for x
   x = 19,342,582,868.15/159,498.82
6. Step 6: Final answer
   x = 121,271.01