Finding the Fourth Proportional to 1,131.93, 1,560.06 and 974.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.93 : 1,560.06 = 974.16 : x
2. Step 2: Convert to fraction form
   1,131.93/1,560.06 = 974.16/x
3. Step 3: Cross multiply
   1,131.93x = 1,560.06 × 974.16
4. Step 4: Simplify right side
   1,131.93x = 1,519,748.05
5. Step 5: Solve for x
   x = 1,519,748.05/1,131.93
6. Step 6: Final answer
   x = 1,342.62