Finding the Fourth Proportional to 3,526.78, 5,293.89 and 3,447.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,526.78 : 5,293.89 = 3,447.35 : x
2. Step 2: Convert to fraction form
   3,526.78/5,293.89 = 3,447.35/x
3. Step 3: Cross multiply
   3,526.78x = 5,293.89 × 3,447.35
4. Step 4: Simplify right side
   3,526.78x = 18,249,900.31
5. Step 5: Solve for x
   x = 18,249,900.31/3,526.78
6. Step 6: Final answer
   x = 5,174.66