Finding the Fourth Proportional to 87,927.42, 131,909.59 and 28,758.48

Step by Step Solution

1. Step 1: Write the proportion equation
   87,927.42 : 131,909.59 = 28,758.48 : x
2. Step 2: Convert to fraction form
   87,927.42/131,909.59 = 28,758.48/x
3. Step 3: Cross multiply
   87,927.42x = 131,909.59 × 28,758.48
4. Step 4: Simplify right side
   87,927.42x = 3,793,519,322.72
5. Step 5: Solve for x
   x = 3,793,519,322.72/87,927.42
6. Step 6: Final answer
   x = 43,143.76