Finding the Fourth Proportional to 9,043.62, 12,478.02 and 5,264.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,043.62 : 12,478.02 = 5,264.49 : x
2. Step 2: Convert to fraction form
   9,043.62/12,478.02 = 5,264.49/x
3. Step 3: Cross multiply
   9,043.62x = 12,478.02 × 5,264.49
4. Step 4: Simplify right side
   9,043.62x = 65,690,411.51
5. Step 5: Solve for x
   x = 65,690,411.51/9,043.62
6. Step 6: Final answer
   x = 7,263.73