Finding the Fourth Proportional to 5,023.96, 7,526.18 and 2,428.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,023.96 : 7,526.18 = 2,428.72 : x
2. Step 2: Convert to fraction form
   5,023.96/7,526.18 = 2,428.72/x
3. Step 3: Cross multiply
   5,023.96x = 7,526.18 × 2,428.72
4. Step 4: Simplify right side
   5,023.96x = 18,278,983.89
5. Step 5: Solve for x
   x = 18,278,983.89/5,023.96
6. Step 6: Final answer
   x = 3,638.36