Finding the Fourth Proportional to 2,605,834.86, 3,909,274.56 and 900,040.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,834.86 : 3,909,274.56 = 900,040.74 : x
2. Step 2: Convert to fraction form
   2,605,834.86/3,909,274.56 = 900,040.74/x
3. Step 3: Cross multiply
   2,605,834.86x = 3,909,274.56 × 900,040.74
4. Step 4: Simplify right side
   2,605,834.86x = 3,518,506,367,845.57
5. Step 5: Solve for x
   x = 3,518,506,367,845.57/2,605,834.86
6. Step 6: Final answer
   x = 1,350,241.50