Finding the Fourth Proportional to 2,166,331.59, 2,989,630.89 and 1,199,461.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,331.59 : 2,989,630.89 = 1,199,461.73 : x
2. Step 2: Convert to fraction form
   2,166,331.59/2,989,630.89 = 1,199,461.73/x
3. Step 3: Cross multiply
   2,166,331.59x = 2,989,630.89 × 1,199,461.73
4. Step 4: Simplify right side
   2,166,331.59x = 3,585,947,824,432.69
5. Step 5: Solve for x
   x = 3,585,947,824,432.69/2,166,331.59
6. Step 6: Final answer
   x = 1,655,308.84