Finding the Fourth Proportional to 12,661.31, 17,461.24 and 10,543.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,661.31 : 17,461.24 = 10,543.84 : x
2. Step 2: Convert to fraction form
   12,661.31/17,461.24 = 10,543.84/x
3. Step 3: Cross multiply
   12,661.31x = 17,461.24 × 10,543.84
4. Step 4: Simplify right side
   12,661.31x = 184,108,450.75
5. Step 5: Solve for x
   x = 184,108,450.75/12,661.31
6. Step 6: Final answer
   x = 14,541.02