Finding the Fourth Proportional to 2,499,239.89, 3,448,967.61 and 1,353,320.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,239.89 : 3,448,967.61 = 1,353,320.23 : x
2. Step 2: Convert to fraction form
   2,499,239.89/3,448,967.61 = 1,353,320.23/x
3. Step 3: Cross multiply
   2,499,239.89x = 3,448,967.61 × 1,353,320.23
4. Step 4: Simplify right side
   2,499,239.89x = 4,667,557,639,227.75
5. Step 5: Solve for x
   x = 4,667,557,639,227.75/2,499,239.89
6. Step 6: Final answer
   x = 1,867,590.89