Finding the Fourth Proportional to 2,599.62, 3,587.94 and 1,551.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.62 : 3,587.94 = 1,551.78 : x
2. Step 2: Convert to fraction form
   2,599.62/3,587.94 = 1,551.78/x
3. Step 3: Cross multiply
   2,599.62x = 3,587.94 × 1,551.78
4. Step 4: Simplify right side
   2,599.62x = 5,567,693.53
5. Step 5: Solve for x
   x = 5,567,693.53/2,599.62
6. Step 6: Final answer
   x = 2,141.73