Finding the Fourth Proportional to 2,442.31, 3,657.23 and 1,345.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.31 : 3,657.23 = 1,345.47 : x
2. Step 2: Convert to fraction form
   2,442.31/3,657.23 = 1,345.47/x
3. Step 3: Cross multiply
   2,442.31x = 3,657.23 × 1,345.47
4. Step 4: Simplify right side
   2,442.31x = 4,920,693.25
5. Step 5: Solve for x
   x = 4,920,693.25/2,442.31
6. Step 6: Final answer
   x = 2,014.77