Finding the Fourth Proportional to 1,008.41, 1,513.06 and 992.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008.41 : 1,513.06 = 992.00 : x
2. Step 2: Convert to fraction form
   1,008.41/1,513.06 = 992.00/x
3. Step 3: Cross multiply
   1,008.41x = 1,513.06 × 992.00
4. Step 4: Simplify right side
   1,008.41x = 1,500,956.82
5. Step 5: Solve for x
   x = 1,500,956.82/1,008.41
6. Step 6: Final answer
   x = 1,488.45