Finding the Fourth Proportional to 1,931.00, 2,665.20 and 1,092.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.00 : 2,665.20 = 1,092.18 : x
2. Step 2: Convert to fraction form
   1,931.00/2,665.20 = 1,092.18/x
3. Step 3: Cross multiply
   1,931.00x = 2,665.20 × 1,092.18
4. Step 4: Simplify right side
   1,931.00x = 2,910,878.14
5. Step 5: Solve for x
   x = 2,910,878.14/1,931.00
6. Step 6: Final answer
   x = 1,507.45