Finding the Fourth Proportional to 2,374.56, 3,277.08 and 1,380.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.56 : 3,277.08 = 1,380.15 : x
2. Step 2: Convert to fraction form
   2,374.56/3,277.08 = 1,380.15/x
3. Step 3: Cross multiply
   2,374.56x = 3,277.08 × 1,380.15
4. Step 4: Simplify right side
   2,374.56x = 4,522,861.96
5. Step 5: Solve for x
   x = 4,522,861.96/2,374.56
6. Step 6: Final answer
   x = 1,904.72