Finding the Fourth Proportional to 9,852.96, 14,778.65 and 3,612.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,852.96 : 14,778.65 = 3,612.72 : x
2. Step 2: Convert to fraction form
   9,852.96/14,778.65 = 3,612.72/x
3. Step 3: Cross multiply
   9,852.96x = 14,778.65 × 3,612.72
4. Step 4: Simplify right side
   9,852.96x = 53,391,106.36
5. Step 5: Solve for x
   x = 53,391,106.36/9,852.96
6. Step 6: Final answer
   x = 5,418.79