Finding the Fourth Proportional to 1,607.72, 2,417.52 and 1,549.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.72 : 2,417.52 = 1,549.40 : x
2. Step 2: Convert to fraction form
   1,607.72/2,417.52 = 1,549.40/x
3. Step 3: Cross multiply
   1,607.72x = 2,417.52 × 1,549.40
4. Step 4: Simplify right side
   1,607.72x = 3,745,705.49
5. Step 5: Solve for x
   x = 3,745,705.49/1,607.72
6. Step 6: Final answer
   x = 2,329.82