Finding the Fourth Proportional to 1,892.81, 2,612.32 and 1,147.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.81 : 2,612.32 = 1,147.03 : x
2. Step 2: Convert to fraction form
   1,892.81/2,612.32 = 1,147.03/x
3. Step 3: Cross multiply
   1,892.81x = 2,612.32 × 1,147.03
4. Step 4: Simplify right side
   1,892.81x = 2,996,400.01
5. Step 5: Solve for x
   x = 2,996,400.01/1,892.81
6. Step 6: Final answer
   x = 1,583.04