Finding the Fourth Proportional to 2,116,981.56, 2,921,494.32 and 1,199,210.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,981.56 : 2,921,494.32 = 1,199,210.43 : x
2. Step 2: Convert to fraction form
   2,116,981.56/2,921,494.32 = 1,199,210.43/x
3. Step 3: Cross multiply
   2,116,981.56x = 2,921,494.32 × 1,199,210.43
4. Step 4: Simplify right side
   2,116,981.56x = 3,503,486,469,704.60
5. Step 5: Solve for x
   x = 3,503,486,469,704.60/2,116,981.56
6. Step 6: Final answer
   x = 1,654,944.25