Finding the Fourth Proportional to 9,937.40, 14,901.27 and 5,778.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,937.40 : 14,901.27 = 5,778.60 : x
2. Step 2: Convert to fraction form
   9,937.40/14,901.27 = 5,778.60/x
3. Step 3: Cross multiply
   9,937.40x = 14,901.27 × 5,778.60
4. Step 4: Simplify right side
   9,937.40x = 86,108,478.82
5. Step 5: Solve for x
   x = 86,108,478.82/9,937.40
6. Step 6: Final answer
   x = 8,665.09