Finding the Fourth Proportional to 12,534.05, 17,292.15 and 7,156.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,534.05 : 17,292.15 = 7,156.79 : x
2. Step 2: Convert to fraction form
   12,534.05/17,292.15 = 7,156.79/x
3. Step 3: Cross multiply
   12,534.05x = 17,292.15 × 7,156.79
4. Step 4: Simplify right side
   12,534.05x = 123,756,199.74
5. Step 5: Solve for x
   x = 123,756,199.74/12,534.05
6. Step 6: Final answer
   x = 9,873.60