Finding the Fourth Proportional to 11,152.79, 16,720.32 and 5,526.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,152.79 : 16,720.32 = 5,526.51 : x
2. Step 2: Convert to fraction form
   11,152.79/16,720.32 = 5,526.51/x
3. Step 3: Cross multiply
   11,152.79x = 16,720.32 × 5,526.51
4. Step 4: Simplify right side
   11,152.79x = 92,404,997.22
5. Step 5: Solve for x
   x = 92,404,997.22/11,152.79
6. Step 6: Final answer
   x = 8,285.37