Finding the Fourth Proportional to 2,393.76, 3,303.54 and 1,345.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.76 : 3,303.54 = 1,345.89 : x
2. Step 2: Convert to fraction form
   2,393.76/3,303.54 = 1,345.89/x
3. Step 3: Cross multiply
   2,393.76x = 3,303.54 × 1,345.89
4. Step 4: Simplify right side
   2,393.76x = 4,446,201.45
5. Step 5: Solve for x
   x = 4,446,201.45/2,393.76
6. Step 6: Final answer
   x = 1,857.41