Finding the Fourth Proportional to 14,454.16, 21,670.72 and 9,762.53

Step by Step Solution

1. Step 1: Write the proportion equation
   14,454.16 : 21,670.72 = 9,762.53 : x
2. Step 2: Convert to fraction form
   14,454.16/21,670.72 = 9,762.53/x
3. Step 3: Cross multiply
   14,454.16x = 21,670.72 × 9,762.53
4. Step 4: Simplify right side
   14,454.16x = 211,561,083.89
5. Step 5: Solve for x
   x = 211,561,083.89/14,454.16
6. Step 6: Final answer
   x = 14,636.69