Finding the Fourth Proportional to 1,820.98, 2,513.87 and 1,075.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.98 : 2,513.87 = 1,075.17 : x
2. Step 2: Convert to fraction form
   1,820.98/2,513.87 = 1,075.17/x
3. Step 3: Cross multiply
   1,820.98x = 2,513.87 × 1,075.17
4. Step 4: Simplify right side
   1,820.98x = 2,702,845.69
5. Step 5: Solve for x
   x = 2,702,845.69/1,820.98
6. Step 6: Final answer
   x = 1,484.28