Finding the Fourth Proportional to 87,067.28, 130,600.38 and 42,036.10

Step by Step Solution

1. Step 1: Write the proportion equation
   87,067.28 : 130,600.38 = 42,036.10 : x
2. Step 2: Convert to fraction form
   87,067.28/130,600.38 = 42,036.10/x
3. Step 3: Cross multiply
   87,067.28x = 130,600.38 × 42,036.10
4. Step 4: Simplify right side
   87,067.28x = 5,489,930,633.72
5. Step 5: Solve for x
   x = 5,489,930,633.72/87,067.28
6. Step 6: Final answer
   x = 63,053.89