Finding the Fourth Proportional to 39,870.28, 59,805.52 and 37,434.52

Step by Step Solution

1. Step 1: Write the proportion equation
   39,870.28 : 59,805.52 = 37,434.52 : x
2. Step 2: Convert to fraction form
   39,870.28/59,805.52 = 37,434.52/x
3. Step 3: Cross multiply
   39,870.28x = 59,805.52 × 37,434.52
4. Step 4: Simplify right side
   39,870.28x = 2,238,790,934.55
5. Step 5: Solve for x
   x = 2,238,790,934.55/39,870.28
6. Step 6: Final answer
   x = 56,151.87