Finding the Fourth Proportional to 1,517.02, 2,092.17 and 992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.02 : 2,092.17 = 992.50 : x
2. Step 2: Convert to fraction form
   1,517.02/2,092.17 = 992.50/x
3. Step 3: Cross multiply
   1,517.02x = 2,092.17 × 992.50
4. Step 4: Simplify right side
   1,517.02x = 2,076,478.73
5. Step 5: Solve for x
   x = 2,076,478.73/1,517.02
6. Step 6: Final answer
   x = 1,368.79