Finding the Fourth Proportional to 2,804.62, 3,870.47 and 1,545.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.62 : 3,870.47 = 1,545.76 : x
2. Step 2: Convert to fraction form
   2,804.62/3,870.47 = 1,545.76/x
3. Step 3: Cross multiply
   2,804.62x = 3,870.47 × 1,545.76
4. Step 4: Simplify right side
   2,804.62x = 5,982,817.71
5. Step 5: Solve for x
   x = 5,982,817.71/2,804.62
6. Step 6: Final answer
   x = 2,133.20