Finding the Fourth Proportional to 2,377.74, 3,565.06 and 992.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.74 : 3,565.06 = 992.02 : x
2. Step 2: Convert to fraction form
   2,377.74/3,565.06 = 992.02/x
3. Step 3: Cross multiply
   2,377.74x = 3,565.06 × 992.02
4. Step 4: Simplify right side
   2,377.74x = 3,536,610.82
5. Step 5: Solve for x
   x = 3,536,610.82/2,377.74
6. Step 6: Final answer
   x = 1,487.38