Finding the Fourth Proportional to 2,445.61, 3,374.89 and 1,326.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.61 : 3,374.89 = 1,326.53 : x
2. Step 2: Convert to fraction form
   2,445.61/3,374.89 = 1,326.53/x
3. Step 3: Cross multiply
   2,445.61x = 3,374.89 × 1,326.53
4. Step 4: Simplify right side
   2,445.61x = 4,476,892.83
5. Step 5: Solve for x
   x = 4,476,892.83/2,445.61
6. Step 6: Final answer
   x = 1,830.58