Finding the Fourth Proportional to 2,166,301.86, 2,989,589.98 and 1,199,432.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,301.86 : 2,989,589.98 = 1,199,432.16 : x
2. Step 2: Convert to fraction form
   2,166,301.86/2,989,589.98 = 1,199,432.16/x
3. Step 3: Cross multiply
   2,166,301.86x = 2,989,589.98 × 1,199,432.16
4. Step 4: Simplify right side
   2,166,301.86x = 3,585,810,367,225.76
5. Step 5: Solve for x
   x = 3,585,810,367,225.76/2,166,301.86
6. Step 6: Final answer
   x = 1,655,268.10