Finding the Fourth Proportional to 9,788.78, 14,679.40 and 3,546.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,788.78 : 14,679.40 = 3,546.94 : x
2. Step 2: Convert to fraction form
   9,788.78/14,679.40 = 3,546.94/x
3. Step 3: Cross multiply
   9,788.78x = 14,679.40 × 3,546.94
4. Step 4: Simplify right side
   9,788.78x = 52,066,951.04
5. Step 5: Solve for x
   x = 52,066,951.04/9,788.78
6. Step 6: Final answer
   x = 5,319.04