Finding the Fourth Proportional to 9,150.66, 12,619.98 and 5,962.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.66 : 12,619.98 = 5,962.74 : x
2. Step 2: Convert to fraction form
   9,150.66/12,619.98 = 5,962.74/x
3. Step 3: Cross multiply
   9,150.66x = 12,619.98 × 5,962.74
4. Step 4: Simplify right side
   9,150.66x = 75,249,659.55
5. Step 5: Solve for x
   x = 75,249,659.55/9,150.66
6. Step 6: Final answer
   x = 8,223.41