Finding the Fourth Proportional to 9,127.77, 12,596.76 and 5,148.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,127.77 : 12,596.76 = 5,148.86 : x
2. Step 2: Convert to fraction form
   9,127.77/12,596.76 = 5,148.86/x
3. Step 3: Cross multiply
   9,127.77x = 12,596.76 × 5,148.86
4. Step 4: Simplify right side
   9,127.77x = 64,858,890.71
5. Step 5: Solve for x
   x = 64,858,890.71/9,127.77
6. Step 6: Final answer
   x = 7,105.67