Finding the Fourth Proportional to 9,971.29, 14,951.94 and 5,587.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971.29 : 14,951.94 = 5,587.57 : x
2. Step 2: Convert to fraction form
   9,971.29/14,951.94 = 5,587.57/x
3. Step 3: Cross multiply
   9,971.29x = 14,951.94 × 5,587.57
4. Step 4: Simplify right side
   9,971.29x = 83,545,011.39
5. Step 5: Solve for x
   x = 83,545,011.39/9,971.29
6. Step 6: Final answer
   x = 8,378.56