Finding the Fourth Proportional to 2,048.78, 3,070.39 and 1,124.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.78 : 3,070.39 = 1,124.77 : x
2. Step 2: Convert to fraction form
   2,048.78/3,070.39 = 1,124.77/x
3. Step 3: Cross multiply
   2,048.78x = 3,070.39 × 1,124.77
4. Step 4: Simplify right side
   2,048.78x = 3,453,482.56
5. Step 5: Solve for x
   x = 3,453,482.56/2,048.78
6. Step 6: Final answer
   x = 1,685.63