Finding the Fourth Proportional to 3,980,158.02, 5,492,766.33 and 2,261,569.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980,158.02 : 5,492,766.33 = 2,261,569.86 : x
2. Step 2: Convert to fraction form
   3,980,158.02/5,492,766.33 = 2,261,569.86/x
3. Step 3: Cross multiply
   3,980,158.02x = 5,492,766.33 × 2,261,569.86
4. Step 4: Simplify right side
   3,980,158.02x = 12,422,274,779,950.81
5. Step 5: Solve for x
   x = 12,422,274,779,950.81/3,980,158.02
6. Step 6: Final answer
   x = 3,121,050.65