Finding the Fourth Proportional to 2,087,540.85, 2,880,925.81 and 1,170,066.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,540.85 : 2,880,925.81 = 1,170,066.43 : x
2. Step 2: Convert to fraction form
   2,087,540.85/2,880,925.81 = 1,170,066.43/x
3. Step 3: Cross multiply
   2,087,540.85x = 2,880,925.81 × 1,170,066.43
4. Step 4: Simplify right side
   2,087,540.85x = 3,370,874,586,380.15
5. Step 5: Solve for x
   x = 3,370,874,586,380.15/2,087,540.85
6. Step 6: Final answer
   x = 1,614,758.63