Finding the Fourth Proportional to 1,618.38, 2,426.12 and 740.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618.38 : 2,426.12 = 740.42 : x
2. Step 2: Convert to fraction form
   1,618.38/2,426.12 = 740.42/x
3. Step 3: Cross multiply
   1,618.38x = 2,426.12 × 740.42
4. Step 4: Simplify right side
   1,618.38x = 1,796,347.77
5. Step 5: Solve for x
   x = 1,796,347.77/1,618.38
6. Step 6: Final answer
   x = 1,109.97