Finding the Fourth Proportional to 9,843.59, 14,772.31 and 8,902.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,843.59 : 14,772.31 = 8,902.49 : x
2. Step 2: Convert to fraction form
   9,843.59/14,772.31 = 8,902.49/x
3. Step 3: Cross multiply
   9,843.59x = 14,772.31 × 8,902.49
4. Step 4: Simplify right side
   9,843.59x = 131,510,356.73
5. Step 5: Solve for x
   x = 131,510,356.73/9,843.59
6. Step 6: Final answer
   x = 13,360.00