Finding the Fourth Proportional to 87,870.06, 131,639.76 and 43,444.80

Step by Step Solution

1. Step 1: Write the proportion equation
   87,870.06 : 131,639.76 = 43,444.80 : x
2. Step 2: Convert to fraction form
   87,870.06/131,639.76 = 43,444.80/x
3. Step 3: Cross multiply
   87,870.06x = 131,639.76 × 43,444.80
4. Step 4: Simplify right side
   87,870.06x = 5,719,063,045.25
5. Step 5: Solve for x
   x = 5,719,063,045.25/87,870.06
6. Step 6: Final answer
   x = 65,085.46