Finding the Fourth Proportional to 2,499,404.80, 3,749,107.20 and 902,214.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,404.80 : 3,749,107.20 = 902,214.40 : x
2. Step 2: Convert to fraction form
   2,499,404.80/3,749,107.20 = 902,214.40/x
3. Step 3: Cross multiply
   2,499,404.80x = 3,749,107.20 × 902,214.40
4. Step 4: Simplify right side
   2,499,404.80x = 3,382,498,502,983.68
5. Step 5: Solve for x
   x = 3,382,498,502,983.68/2,499,404.80
6. Step 6: Final answer
   x = 1,353,321.60