Finding the Fourth Proportional to 2,951.61, 4,073.31 and 1,607.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.61 : 4,073.31 = 1,607.31 : x
2. Step 2: Convert to fraction form
   2,951.61/4,073.31 = 1,607.31/x
3. Step 3: Cross multiply
   2,951.61x = 4,073.31 × 1,607.31
4. Step 4: Simplify right side
   2,951.61x = 6,547,061.71
5. Step 5: Solve for x
   x = 6,547,061.71/2,951.61
6. Step 6: Final answer
   x = 2,218.13