Finding the Fourth Proportional to 12,235.44, 16,892.88 and 7,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,235.44 : 16,892.88 = 7,704.72 : x
2. Step 2: Convert to fraction form
   12,235.44/16,892.88 = 7,704.72/x
3. Step 3: Cross multiply
   12,235.44x = 16,892.88 × 7,704.72
4. Step 4: Simplify right side
   12,235.44x = 130,154,910.39
5. Step 5: Solve for x
   x = 130,154,910.39/12,235.44
6. Step 6: Final answer
   x = 10,637.53