Finding the Fourth Proportional to 2,166,123.09, 2,989,330.39 and 1,235,982.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,123.09 : 2,989,330.39 = 1,235,982.27 : x
2. Step 2: Convert to fraction form
   2,166,123.09/2,989,330.39 = 1,235,982.27/x
3. Step 3: Cross multiply
   2,166,123.09x = 2,989,330.39 × 1,235,982.27
4. Step 4: Simplify right side
   2,166,123.09x = 3,694,759,373,967.15
5. Step 5: Solve for x
   x = 3,694,759,373,967.15/2,166,123.09
6. Step 6: Final answer
   x = 1,705,701.48