Finding the Fourth Proportional to 2,374.56, 3,276.89 and 1,326.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.56 : 3,276.89 = 1,326.63 : x
2. Step 2: Convert to fraction form
   2,374.56/3,276.89 = 1,326.63/x
3. Step 3: Cross multiply
   2,374.56x = 3,276.89 × 1,326.63
4. Step 4: Simplify right side
   2,374.56x = 4,347,209.17
5. Step 5: Solve for x
   x = 4,347,209.17/2,374.56
6. Step 6: Final answer
   x = 1,830.74