Finding the Fourth Proportional to 87,454.58, 130,499.81 and 78,029.83

Step by Step Solution

1. Step 1: Write the proportion equation
   87,454.58 : 130,499.81 = 78,029.83 : x
2. Step 2: Convert to fraction form
   87,454.58/130,499.81 = 78,029.83/x
3. Step 3: Cross multiply
   87,454.58x = 130,499.81 × 78,029.83
4. Step 4: Simplify right side
   87,454.58x = 10,182,877,101.40
5. Step 5: Solve for x
   x = 10,182,877,101.40/87,454.58
6. Step 6: Final answer
   x = 116,436.18