Finding the Fourth Proportional to 9,412.71, 12,989.07 and 5,433.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,412.71 : 12,989.07 = 5,433.59 : x
2. Step 2: Convert to fraction form
   9,412.71/12,989.07 = 5,433.59/x
3. Step 3: Cross multiply
   9,412.71x = 12,989.07 × 5,433.59
4. Step 4: Simplify right side
   9,412.71x = 70,577,280.86
5. Step 5: Solve for x
   x = 70,577,280.86/9,412.71
6. Step 6: Final answer
   x = 7,498.08