Finding the Fourth Proportional to 9,772.25, 14,644.33 and 5,558.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,772.25 : 14,644.33 = 5,558.86 : x
2. Step 2: Convert to fraction form
   9,772.25/14,644.33 = 5,558.86/x
3. Step 3: Cross multiply
   9,772.25x = 14,644.33 × 5,558.86
4. Step 4: Simplify right side
   9,772.25x = 81,405,784.67
5. Step 5: Solve for x
   x = 81,405,784.67/9,772.25
6. Step 6: Final answer
   x = 8,330.31