Finding the Fourth Proportional to 2,585,188.22, 3,879,553.53 and 902,291.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,188.22 : 3,879,553.53 = 902,291.72 : x
2. Step 2: Convert to fraction form
   2,585,188.22/3,879,553.53 = 902,291.72/x
3. Step 3: Cross multiply
   2,585,188.22x = 3,879,553.53 × 902,291.72
4. Step 4: Simplify right side
   2,585,188.22x = 3,500,489,027,415.77
5. Step 5: Solve for x
   x = 3,500,489,027,415.77/2,585,188.22
6. Step 6: Final answer
   x = 1,354,055.77