Finding the Fourth Proportional to 9,285.31, 13,931.07 and 3,045.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,285.31 : 13,931.07 = 3,045.61 : x
2. Step 2: Convert to fraction form
   9,285.31/13,931.07 = 3,045.61/x
3. Step 3: Cross multiply
   9,285.31x = 13,931.07 × 3,045.61
4. Step 4: Simplify right side
   9,285.31x = 42,428,606.10
5. Step 5: Solve for x
   x = 42,428,606.10/9,285.31
6. Step 6: Final answer
   x = 4,569.43