Finding the Fourth Proportional to 5,355.32, 8,019.20 and 3,501.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,355.32 : 8,019.20 = 3,501.02 : x
2. Step 2: Convert to fraction form
   5,355.32/8,019.20 = 3,501.02/x
3. Step 3: Cross multiply
   5,355.32x = 8,019.20 × 3,501.02
4. Step 4: Simplify right side
   5,355.32x = 28,075,408.38
5. Step 5: Solve for x
   x = 28,075,408.38/5,355.32
6. Step 6: Final answer
   x = 5,242.53