Finding the Fourth Proportional to 2,634.89, 3,954.37 and 992.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.89 : 3,954.37 = 992.93 : x
2. Step 2: Convert to fraction form
   2,634.89/3,954.37 = 992.93/x
3. Step 3: Cross multiply
   2,634.89x = 3,954.37 × 992.93
4. Step 4: Simplify right side
   2,634.89x = 3,926,390.35
5. Step 5: Solve for x
   x = 3,926,390.35/2,634.89
6. Step 6: Final answer
   x = 1,490.16