Finding the Fourth Proportional to 9,037.28, 12,469.68 and 5,678.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,037.28 : 12,469.68 = 5,678.15 : x
2. Step 2: Convert to fraction form
   9,037.28/12,469.68 = 5,678.15/x
3. Step 3: Cross multiply
   9,037.28x = 12,469.68 × 5,678.15
4. Step 4: Simplify right side
   9,037.28x = 70,804,671.29
5. Step 5: Solve for x
   x = 70,804,671.29/9,037.28
6. Step 6: Final answer
   x = 7,834.73