Finding the Fourth Proportional to 1,810.69, 2,499.21 and 1,102.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.69 : 2,499.21 = 1,102.75 : x
2. Step 2: Convert to fraction form
   1,810.69/2,499.21 = 1,102.75/x
3. Step 3: Cross multiply
   1,810.69x = 2,499.21 × 1,102.75
4. Step 4: Simplify right side
   1,810.69x = 2,756,003.83
5. Step 5: Solve for x
   x = 2,756,003.83/1,810.69
6. Step 6: Final answer
   x = 1,522.07