Finding the Fourth Proportional to 9,312.98, 12,850.52 and 5,536.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,312.98 : 12,850.52 = 5,536.22 : x
2. Step 2: Convert to fraction form
   9,312.98/12,850.52 = 5,536.22/x
3. Step 3: Cross multiply
   9,312.98x = 12,850.52 × 5,536.22
4. Step 4: Simplify right side
   9,312.98x = 71,143,305.83
5. Step 5: Solve for x
   x = 71,143,305.83/9,312.98
6. Step 6: Final answer
   x = 7,639.16