Finding the Fourth Proportional to 1,807.48, 2,492.20 and 1,168.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.48 : 2,492.20 = 1,168.56 : x
2. Step 2: Convert to fraction form
   1,807.48/2,492.20 = 1,168.56/x
3. Step 3: Cross multiply
   1,807.48x = 2,492.20 × 1,168.56
4. Step 4: Simplify right side
   1,807.48x = 2,912,285.23
5. Step 5: Solve for x
   x = 2,912,285.23/1,807.48
6. Step 6: Final answer
   x = 1,611.24