Finding the Fourth Proportional to 9,429.62, 14,150.37 and 5,272.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.62 : 14,150.37 = 5,272.35 : x
2. Step 2: Convert to fraction form
   9,429.62/14,150.37 = 5,272.35/x
3. Step 3: Cross multiply
   9,429.62x = 14,150.37 × 5,272.35
4. Step 4: Simplify right side
   9,429.62x = 74,605,669.98
5. Step 5: Solve for x
   x = 74,605,669.98/9,429.62
6. Step 6: Final answer
   x = 7,911.85