Finding the Fourth Proportional to 11,045.35, 15,222.90 and 7,677.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,045.35 : 15,222.90 = 7,677.37 : x
2. Step 2: Convert to fraction form
   11,045.35/15,222.90 = 7,677.37/x
3. Step 3: Cross multiply
   11,045.35x = 15,222.90 × 7,677.37
4. Step 4: Simplify right side
   11,045.35x = 116,871,835.77
5. Step 5: Solve for x
   x = 116,871,835.77/11,045.35
6. Step 6: Final answer
   x = 10,581.09