Finding the Fourth Proportional to 15,253.41, 21,066.18 and 10,485.96

Step by Step Solution

1. Step 1: Write the proportion equation
   15,253.41 : 21,066.18 = 10,485.96 : x
2. Step 2: Convert to fraction form
   15,253.41/21,066.18 = 10,485.96/x
3. Step 3: Cross multiply
   15,253.41x = 21,066.18 × 10,485.96
4. Step 4: Simplify right side
   15,253.41x = 220,899,002.51
5. Step 5: Solve for x
   x = 220,899,002.51/15,253.41
6. Step 6: Final answer
   x = 14,481.94