Finding the Fourth Proportional to 35,882.52, 53,821.57 and 13,388.82

Step by Step Solution

1. Step 1: Write the proportion equation
   35,882.52 : 53,821.57 = 13,388.82 : x
2. Step 2: Convert to fraction form
   35,882.52/53,821.57 = 13,388.82/x
3. Step 3: Cross multiply
   35,882.52x = 53,821.57 × 13,388.82
4. Step 4: Simplify right side
   35,882.52x = 720,607,312.85
5. Step 5: Solve for x
   x = 720,607,312.85/35,882.52
6. Step 6: Final answer
   x = 20,082.41