Finding the Fourth Proportional to 7,443.42, 11,155.33 and 3,494.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.42 : 11,155.33 = 3,494.06 : x
2. Step 2: Convert to fraction form
   7,443.42/11,155.33 = 3,494.06/x
3. Step 3: Cross multiply
   7,443.42x = 11,155.33 × 3,494.06
4. Step 4: Simplify right side
   7,443.42x = 38,977,392.34
5. Step 5: Solve for x
   x = 38,977,392.34/7,443.42
6. Step 6: Final answer
   x = 5,236.49