Finding the Fourth Proportional to 1,810.12, 2,496.90 and 1,111

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.12 : 2,496.90 = 1,111 : x
2. Step 2: Convert to fraction form
   1,810.12/2,496.90 = 1,111/x
3. Step 3: Cross multiply
   1,810.12x = 2,496.90 × 1,111
4. Step 4: Simplify right side
   1,810.12x = 2,774,055.90
5. Step 5: Solve for x
   x = 2,774,055.90/1,810.12
6. Step 6: Final answer
   x = 1,532.53