Finding the Fourth Proportional to 14,242.52, 21,345.18 and 10,307.03

Step by Step Solution

1. Step 1: Write the proportion equation
   14,242.52 : 21,345.18 = 10,307.03 : x
2. Step 2: Convert to fraction form
   14,242.52/21,345.18 = 10,307.03/x
3. Step 3: Cross multiply
   14,242.52x = 21,345.18 × 10,307.03
4. Step 4: Simplify right side
   14,242.52x = 220,005,303.89
5. Step 5: Solve for x
   x = 220,005,303.89/14,242.52
6. Step 6: Final answer
   x = 15,447.08