Finding the Fourth Proportional to 12,706.07, 17,534.42 and 7,041.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,706.07 : 17,534.42 = 7,041.74 : x
2. Step 2: Convert to fraction form
   12,706.07/17,534.42 = 7,041.74/x
3. Step 3: Cross multiply
   12,706.07x = 17,534.42 × 7,041.74
4. Step 4: Simplify right side
   12,706.07x = 123,472,769.83
5. Step 5: Solve for x
   x = 123,472,769.83/12,706.07
6. Step 6: Final answer
   x = 9,717.62