Finding the Fourth Proportional to 2,991.02, 4,127.74 and 2,492.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991.02 : 4,127.74 = 2,492.82 : x
2. Step 2: Convert to fraction form
   2,991.02/4,127.74 = 2,492.82/x
3. Step 3: Cross multiply
   2,991.02x = 4,127.74 × 2,492.82
4. Step 4: Simplify right side
   2,991.02x = 10,289,712.83
5. Step 5: Solve for x
   x = 10,289,712.83/2,991.02
6. Step 6: Final answer
   x = 3,440.20