Finding the Fourth Proportional to 9,393.12, 14,091.57 and 3,549.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.12 : 14,091.57 = 3,549.78 : x
2. Step 2: Convert to fraction form
   9,393.12/14,091.57 = 3,549.78/x
3. Step 3: Cross multiply
   9,393.12x = 14,091.57 × 3,549.78
4. Step 4: Simplify right side
   9,393.12x = 50,021,973.35
5. Step 5: Solve for x
   x = 50,021,973.35/9,393.12
6. Step 6: Final answer
   x = 5,325.38