Finding the Fourth Proportional to 2,158,042.40, 2,976,270.16 and 1,298,442.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,042.40 : 2,976,270.16 = 1,298,442.04 : x
2. Step 2: Convert to fraction form
   2,158,042.40/2,976,270.16 = 1,298,442.04/x
3. Step 3: Cross multiply
   2,158,042.40x = 2,976,270.16 × 1,298,442.04
4. Step 4: Simplify right side
   2,158,042.40x = 3,864,514,298,141.53
5. Step 5: Solve for x
   x = 3,864,514,298,141.53/2,158,042.40
6. Step 6: Final answer
   x = 1,790,749.94