Finding the Fourth Proportional to 9,150.50, 13,686.18 and 5,393.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.50 : 13,686.18 = 5,393.37 : x
2. Step 2: Convert to fraction form
   9,150.50/13,686.18 = 5,393.37/x
3. Step 3: Cross multiply
   9,150.50x = 13,686.18 × 5,393.37
4. Step 4: Simplify right side
   9,150.50x = 73,814,632.63
5. Step 5: Solve for x
   x = 73,814,632.63/9,150.50
6. Step 6: Final answer
   x = 8,066.73