Finding the Fourth Proportional to 11,241.50, 15,505.22 and 7,885.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,241.50 : 15,505.22 = 7,885.06 : x
2. Step 2: Convert to fraction form
   11,241.50/15,505.22 = 7,885.06/x
3. Step 3: Cross multiply
   11,241.50x = 15,505.22 × 7,885.06
4. Step 4: Simplify right side
   11,241.50x = 122,259,570.96
5. Step 5: Solve for x
   x = 122,259,570.96/11,241.50
6. Step 6: Final answer
   x = 10,875.74