Finding the Fourth Proportional to 12,700.34, 17,535.14 and 7,922.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.34 : 17,535.14 = 7,922.16 : x
2. Step 2: Convert to fraction form
   12,700.34/17,535.14 = 7,922.16/x
3. Step 3: Cross multiply
   12,700.34x = 17,535.14 × 7,922.16
4. Step 4: Simplify right side
   12,700.34x = 138,916,184.70
5. Step 5: Solve for x
   x = 138,916,184.70/12,700.34
6. Step 6: Final answer
   x = 10,937.99