Finding the Fourth Proportional to 35,632.71, 53,439.95 and 13,439.52

Step by Step Solution

1. Step 1: Write the proportion equation
   35,632.71 : 53,439.95 = 13,439.52 : x
2. Step 2: Convert to fraction form
   35,632.71/53,439.95 = 13,439.52/x
3. Step 3: Cross multiply
   35,632.71x = 53,439.95 × 13,439.52
4. Step 4: Simplify right side
   35,632.71x = 718,207,310.42
5. Step 5: Solve for x
   x = 718,207,310.42/35,632.71
6. Step 6: Final answer
   x = 20,155.84