Finding the Fourth Proportional to 9,387.77, 14,095.49 and 5,235.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387.77 : 14,095.49 = 5,235.89 : x
2. Step 2: Convert to fraction form
   9,387.77/14,095.49 = 5,235.89/x
3. Step 3: Cross multiply
   9,387.77x = 14,095.49 × 5,235.89
4. Step 4: Simplify right side
   9,387.77x = 73,802,338.48
5. Step 5: Solve for x
   x = 73,802,338.48/9,387.77
6. Step 6: Final answer
   x = 7,861.55