Finding the Fourth Proportional to 2,158,041.40, 2,976,268.78 and 1,298,441.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,041.40 : 2,976,268.78 = 1,298,441.04 : x
2. Step 2: Convert to fraction form
   2,158,041.40/2,976,268.78 = 1,298,441.04/x
3. Step 3: Cross multiply
   2,158,041.40x = 2,976,268.78 × 1,298,441.04
4. Step 4: Simplify right side
   2,158,041.40x = 3,864,509,530,022.73
5. Step 5: Solve for x
   x = 3,864,509,530,022.73/2,158,041.40
6. Step 6: Final answer
   x = 1,790,748.56