Finding the Fourth Proportional to 2,377.12, 3,547.33 and 2,089.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.12 : 3,547.33 = 2,089.15 : x
2. Step 2: Convert to fraction form
   2,377.12/3,547.33 = 2,089.15/x
3. Step 3: Cross multiply
   2,377.12x = 3,547.33 × 2,089.15
4. Step 4: Simplify right side
   2,377.12x = 7,410,904.47
5. Step 5: Solve for x
   x = 7,410,904.47/2,377.12
6. Step 6: Final answer
   x = 3,117.60