Finding the Fourth Proportional to 1,603.58, 2,388.38 and 1,546.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.58 : 2,388.38 = 1,546.20 : x
2. Step 2: Convert to fraction form
   1,603.58/2,388.38 = 1,546.20/x
3. Step 3: Cross multiply
   1,603.58x = 2,388.38 × 1,546.20
4. Step 4: Simplify right side
   1,603.58x = 3,692,905.43
5. Step 5: Solve for x
   x = 3,692,905.43/1,603.58
6. Step 6: Final answer
   x = 2,302.92