Finding the Fourth Proportional to 2,603.32, 3,905.55 and 754.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.32 : 3,905.55 = 754.51 : x
2. Step 2: Convert to fraction form
   2,603.32/3,905.55 = 754.51/x
3. Step 3: Cross multiply
   2,603.32x = 3,905.55 × 754.51
4. Step 4: Simplify right side
   2,603.32x = 2,946,753.23
5. Step 5: Solve for x
   x = 2,946,753.23/2,603.32
6. Step 6: Final answer
   x = 1,131.92