Finding the Fourth Proportional to 1,762.98, 2,642.56 and 1,147.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.98 : 2,642.56 = 1,147.12 : x
2. Step 2: Convert to fraction form
   1,762.98/2,642.56 = 1,147.12/x
3. Step 3: Cross multiply
   1,762.98x = 2,642.56 × 1,147.12
4. Step 4: Simplify right side
   1,762.98x = 3,031,327.69
5. Step 5: Solve for x
   x = 3,031,327.69/1,762.98
6. Step 6: Final answer
   x = 1,719.44