Finding the Fourth Proportional to 2,969.62, 4,087.15 and 2,545.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.62 : 4,087.15 = 2,545.20 : x
2. Step 2: Convert to fraction form
   2,969.62/4,087.15 = 2,545.20/x
3. Step 3: Cross multiply
   2,969.62x = 4,087.15 × 2,545.20
4. Step 4: Simplify right side
   2,969.62x = 10,402,607.82
5. Step 5: Solve for x
   x = 10,402,607.82/2,969.62
6. Step 6: Final answer
   x = 3,503.01