Finding the Fourth Proportional to 5,026.35, 7,538.80 and 1,328.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,026.35 : 7,538.80 = 1,328.25 : x
2. Step 2: Convert to fraction form
   5,026.35/7,538.80 = 1,328.25/x
3. Step 3: Cross multiply
   5,026.35x = 7,538.80 × 1,328.25
4. Step 4: Simplify right side
   5,026.35x = 10,013,411.10
5. Step 5: Solve for x
   x = 10,013,411.10/5,026.35
6. Step 6: Final answer
   x = 1,992.18