Finding the Fourth Proportional to 1,931.36, 2,665.52 and 1,092.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.36 : 2,665.52 = 1,092.10 : x
2. Step 2: Convert to fraction form
   1,931.36/2,665.52 = 1,092.10/x
3. Step 3: Cross multiply
   1,931.36x = 2,665.52 × 1,092.10
4. Step 4: Simplify right side
   1,931.36x = 2,911,014.39
5. Step 5: Solve for x
   x = 2,911,014.39/1,931.36
6. Step 6: Final answer
   x = 1,507.24