Finding the Fourth Proportional to 10,727.47, 14,795.75 and 9,398.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,727.47 : 14,795.75 = 9,398.86 : x
2. Step 2: Convert to fraction form
   10,727.47/14,795.75 = 9,398.86/x
3. Step 3: Cross multiply
   10,727.47x = 14,795.75 × 9,398.86
4. Step 4: Simplify right side
   10,727.47x = 139,063,199.71
5. Step 5: Solve for x
   x = 139,063,199.71/10,727.47
6. Step 6: Final answer
   x = 12,963.29