Finding the Fourth Proportional to 2,233,915.57, 3,082,816.89 and 1,215,327.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233,915.57 : 3,082,816.89 = 1,215,327.61 : x
2. Step 2: Convert to fraction form
   2,233,915.57/3,082,816.89 = 1,215,327.61/x
3. Step 3: Cross multiply
   2,233,915.57x = 3,082,816.89 × 1,215,327.61
4. Step 4: Simplify right side
   2,233,915.57x = 3,746,632,482,991.33
5. Step 5: Solve for x
   x = 3,746,632,482,991.33/2,233,915.57
6. Step 6: Final answer
   x = 1,677,159.39