Finding the Fourth Proportional to 2,384.78, 3,577.20 and 741.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.78 : 3,577.20 = 741.32 : x
2. Step 2: Convert to fraction form
   2,384.78/3,577.20 = 741.32/x
3. Step 3: Cross multiply
   2,384.78x = 3,577.20 × 741.32
4. Step 4: Simplify right side
   2,384.78x = 2,651,849.90
5. Step 5: Solve for x
   x = 2,651,849.90/2,384.78
6. Step 6: Final answer
   x = 1,111.99