Finding the Fourth Proportional to 9,860.94, 14,775.01 and 8,111.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,860.94 : 14,775.01 = 8,111.34 : x
2. Step 2: Convert to fraction form
   9,860.94/14,775.01 = 8,111.34/x
3. Step 3: Cross multiply
   9,860.94x = 14,775.01 × 8,111.34
4. Step 4: Simplify right side
   9,860.94x = 119,845,109.34
5. Step 5: Solve for x
   x = 119,845,109.34/9,860.94
6. Step 6: Final answer
   x = 12,153.52