Finding the Fourth Proportional to 9,133.72, 13,620.38 and 9,050.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.72 : 13,620.38 = 9,050.56 : x
2. Step 2: Convert to fraction form
   9,133.72/13,620.38 = 9,050.56/x
3. Step 3: Cross multiply
   9,133.72x = 13,620.38 × 9,050.56
4. Step 4: Simplify right side
   9,133.72x = 123,272,066.41
5. Step 5: Solve for x
   x = 123,272,066.41/9,133.72
6. Step 6: Final answer
   x = 13,496.37