Finding the Fourth Proportional to 1,093.60, 1,510.94 and 974.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.60 : 1,510.94 = 974.53 : x
2. Step 2: Convert to fraction form
   1,093.60/1,510.94 = 974.53/x
3. Step 3: Cross multiply
   1,093.60x = 1,510.94 × 974.53
4. Step 4: Simplify right side
   1,093.60x = 1,472,443.93
5. Step 5: Solve for x
   x = 1,472,443.93/1,093.60
6. Step 6: Final answer
   x = 1,346.43