Finding the Fourth Proportional to 2,907.15, 4,359.42 and 932.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,907.15 : 4,359.42 = 932.42 : x
2. Step 2: Convert to fraction form
   2,907.15/4,359.42 = 932.42/x
3. Step 3: Cross multiply
   2,907.15x = 4,359.42 × 932.42
4. Step 4: Simplify right side
   2,907.15x = 4,064,788.60
5. Step 5: Solve for x
   x = 4,064,788.60/2,907.15
6. Step 6: Final answer
   x = 1,398.20