Finding the Fourth Proportional to 2,458.79, 3,684.06 and 1,070.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.79 : 3,684.06 = 1,070.05 : x
2. Step 2: Convert to fraction form
   2,458.79/3,684.06 = 1,070.05/x
3. Step 3: Cross multiply
   2,458.79x = 3,684.06 × 1,070.05
4. Step 4: Simplify right side
   2,458.79x = 3,942,109.98
5. Step 5: Solve for x
   x = 3,942,109.98/2,458.79
6. Step 6: Final answer
   x = 1,603.27