Finding the Fourth Proportional to 2,385.28, 3,291.71 and 1,337.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.28 : 3,291.71 = 1,337.34 : x
2. Step 2: Convert to fraction form
   2,385.28/3,291.71 = 1,337.34/x
3. Step 3: Cross multiply
   2,385.28x = 3,291.71 × 1,337.34
4. Step 4: Simplify right side
   2,385.28x = 4,402,141.11
5. Step 5: Solve for x
   x = 4,402,141.11/2,385.28
6. Step 6: Final answer
   x = 1,845.54