Finding the Fourth Proportional to 2,493.60, 3,441.32 and 1,374.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.60 : 3,441.32 = 1,374.78 : x
2. Step 2: Convert to fraction form
   2,493.60/3,441.32 = 1,374.78/x
3. Step 3: Cross multiply
   2,493.60x = 3,441.32 × 1,374.78
4. Step 4: Simplify right side
   2,493.60x = 4,731,056.19
5. Step 5: Solve for x
   x = 4,731,056.19/2,493.60
6. Step 6: Final answer
   x = 1,897.28