Finding the Fourth Proportional to 35,800.52, 49,401.16 and 21,456.56

Step by Step Solution

1. Step 1: Write the proportion equation
   35,800.52 : 49,401.16 = 21,456.56 : x
2. Step 2: Convert to fraction form
   35,800.52/49,401.16 = 21,456.56/x
3. Step 3: Cross multiply
   35,800.52x = 49,401.16 × 21,456.56
4. Step 4: Simplify right side
   35,800.52x = 1,059,979,023.47
5. Step 5: Solve for x
   x = 1,059,979,023.47/35,800.52
6. Step 6: Final answer
   x = 29,607.93