Finding the Fourth Proportional to 12,715.40, 17,548.30 and 7,051.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,715.40 : 17,548.30 = 7,051.96 : x
2. Step 2: Convert to fraction form
   12,715.40/17,548.30 = 7,051.96/x
3. Step 3: Cross multiply
   12,715.40x = 17,548.30 × 7,051.96
4. Step 4: Simplify right side
   12,715.40x = 123,749,909.67
5. Step 5: Solve for x
   x = 123,749,909.67/12,715.40
6. Step 6: Final answer
   x = 9,732.29