Finding the Fourth Proportional to 2,477.78, 3,719.10 and 1,382.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.78 : 3,719.10 = 1,382.93 : x
2. Step 2: Convert to fraction form
   2,477.78/3,719.10 = 1,382.93/x
3. Step 3: Cross multiply
   2,477.78x = 3,719.10 × 1,382.93
4. Step 4: Simplify right side
   2,477.78x = 5,143,254.96
5. Step 5: Solve for x
   x = 5,143,254.96/2,477.78
6. Step 6: Final answer
   x = 2,075.75