Finding the Fourth Proportional to 35,616.20, 53,404.56 and 14,571

Step by Step Solution

1. Step 1: Write the proportion equation
   35,616.20 : 53,404.56 = 14,571 : x
2. Step 2: Convert to fraction form
   35,616.20/53,404.56 = 14,571/x
3. Step 3: Cross multiply
   35,616.20x = 53,404.56 × 14,571
4. Step 4: Simplify right side
   35,616.20x = 778,157,843.76
5. Step 5: Solve for x
   x = 778,157,843.76/35,616.20
6. Step 6: Final answer
   x = 21,848.43