Finding the Fourth Proportional to 9,551.63, 14,310.50 and 3,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,551.63 : 14,310.50 = 3,992.72 : x
2. Step 2: Convert to fraction form
   9,551.63/14,310.50 = 3,992.72/x
3. Step 3: Cross multiply
   9,551.63x = 14,310.50 × 3,992.72
4. Step 4: Simplify right side
   9,551.63x = 57,137,799.60
5. Step 5: Solve for x
   x = 57,137,799.60/9,551.63
6. Step 6: Final answer
   x = 5,981.99