Finding the Fourth Proportional to 2,541.39, 3,804.78 and 1,878.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.39 : 3,804.78 = 1,878.81 : x
2. Step 2: Convert to fraction form
   2,541.39/3,804.78 = 1,878.81/x
3. Step 3: Cross multiply
   2,541.39x = 3,804.78 × 1,878.81
4. Step 4: Simplify right side
   2,541.39x = 7,148,458.71
5. Step 5: Solve for x
   x = 7,148,458.71/2,541.39
6. Step 6: Final answer
   x = 2,812.81