Finding the Fourth Proportional to 1,442.08, 2,164.20 and 1,156.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442.08 : 2,164.20 = 1,156.96 : x
2. Step 2: Convert to fraction form
   1,442.08/2,164.20 = 1,156.96/x
3. Step 3: Cross multiply
   1,442.08x = 2,164.20 × 1,156.96
4. Step 4: Simplify right side
   1,442.08x = 2,503,892.83
5. Step 5: Solve for x
   x = 2,503,892.83/1,442.08
6. Step 6: Final answer
   x = 1,736.31