Finding the Fourth Proportional to 2,269.30, 3,402.42 and 788.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.30 : 3,402.42 = 788.14 : x
2. Step 2: Convert to fraction form
   2,269.30/3,402.42 = 788.14/x
3. Step 3: Cross multiply
   2,269.30x = 3,402.42 × 788.14
4. Step 4: Simplify right side
   2,269.30x = 2,681,583.30
5. Step 5: Solve for x
   x = 2,681,583.30/2,269.30
6. Step 6: Final answer
   x = 1,181.68