Finding the Fourth Proportional to 1,990.29, 2,746.77 and 1,106.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.29 : 2,746.77 = 1,106.07 : x
2. Step 2: Convert to fraction form
   1,990.29/2,746.77 = 1,106.07/x
3. Step 3: Cross multiply
   1,990.29x = 2,746.77 × 1,106.07
4. Step 4: Simplify right side
   1,990.29x = 3,038,119.89
5. Step 5: Solve for x
   x = 3,038,119.89/1,990.29
6. Step 6: Final answer
   x = 1,526.47