Finding the Fourth Proportional to 14,773.17, 20,386.83 and 8,485.59

Step by Step Solution

1. Step 1: Write the proportion equation
   14,773.17 : 20,386.83 = 8,485.59 : x
2. Step 2: Convert to fraction form
   14,773.17/20,386.83 = 8,485.59/x
3. Step 3: Cross multiply
   14,773.17x = 20,386.83 × 8,485.59
4. Step 4: Simplify right side
   14,773.17x = 172,994,280.78
5. Step 5: Solve for x
   x = 172,994,280.78/14,773.17
6. Step 6: Final answer
   x = 11,710.03