Finding the Fourth Proportional to 1,300.12, 1,792.56 and 1,131.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.12 : 1,792.56 = 1,131.82 : x
2. Step 2: Convert to fraction form
   1,300.12/1,792.56 = 1,131.82/x
3. Step 3: Cross multiply
   1,300.12x = 1,792.56 × 1,131.82
4. Step 4: Simplify right side
   1,300.12x = 2,028,855.26
5. Step 5: Solve for x
   x = 2,028,855.26/1,300.12
6. Step 6: Final answer
   x = 1,560.51