Finding the Fourth Proportional to 2,585,188.72, 3,879,554.28 and 902,292.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,188.72 : 3,879,554.28 = 902,292.22 : x
2. Step 2: Convert to fraction form
   2,585,188.72/3,879,554.28 = 902,292.22/x
3. Step 3: Cross multiply
   2,585,188.72x = 3,879,554.28 × 902,292.22
4. Step 4: Simplify right side
   2,585,188.72x = 3,500,491,643,911.70
5. Step 5: Solve for x
   x = 3,500,491,643,911.70/2,585,188.72
6. Step 6: Final answer
   x = 1,354,056.52