Finding the Fourth Proportional to 1,008.42, 1,510.17 and 892.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008.42 : 1,510.17 = 892.98 : x
2. Step 2: Convert to fraction form
   1,008.42/1,510.17 = 892.98/x
3. Step 3: Cross multiply
   1,008.42x = 1,510.17 × 892.98
4. Step 4: Simplify right side
   1,008.42x = 1,348,551.61
5. Step 5: Solve for x
   x = 1,348,551.61/1,008.42
6. Step 6: Final answer
   x = 1,337.29