Finding the Fourth Proportional to 12,706.90, 17,535.04 and 7,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,706.90 : 17,535.04 = 7,041.50 : x
2. Step 2: Convert to fraction form
   12,706.90/17,535.04 = 7,041.50/x
3. Step 3: Cross multiply
   12,706.90x = 17,535.04 × 7,041.50
4. Step 4: Simplify right side
   12,706.90x = 123,472,981.12
5. Step 5: Solve for x
   x = 123,472,981.12/12,706.90
6. Step 6: Final answer
   x = 9,717.00