Finding the Fourth Proportional to 2,896.61, 4,345.58 and 948.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,896.61 : 4,345.58 = 948.69 : x
2. Step 2: Convert to fraction form
   2,896.61/4,345.58 = 948.69/x
3. Step 3: Cross multiply
   2,896.61x = 4,345.58 × 948.69
4. Step 4: Simplify right side
   2,896.61x = 4,122,610.66
5. Step 5: Solve for x
   x = 4,122,610.66/2,896.61
6. Step 6: Final answer
   x = 1,423.26