Finding the Fourth Proportional to 87,589.25, 120,870.46 and 49,345.80

Step by Step Solution

1. Step 1: Write the proportion equation
   87,589.25 : 120,870.46 = 49,345.80 : x
2. Step 2: Convert to fraction form
   87,589.25/120,870.46 = 49,345.80/x
3. Step 3: Cross multiply
   87,589.25x = 120,870.46 × 49,345.80
4. Step 4: Simplify right side
   87,589.25x = 5,964,449,298.34
5. Step 5: Solve for x
   x = 5,964,449,298.34/87,589.25
6. Step 6: Final answer
   x = 68,095.68