Finding the Fourth Proportional to 1,810.19, 2,498.33 and 1,147.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.19 : 2,498.33 = 1,147.10 : x
2. Step 2: Convert to fraction form
   1,810.19/2,498.33 = 1,147.10/x
3. Step 3: Cross multiply
   1,810.19x = 2,498.33 × 1,147.10
4. Step 4: Simplify right side
   1,810.19x = 2,865,816.12
5. Step 5: Solve for x
   x = 2,865,816.12/1,810.19
6. Step 6: Final answer
   x = 1,583.16