Finding the Fourth Proportional to 11,032.86, 16,553.37 and 5,112.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,032.86 : 16,553.37 = 5,112.57 : x
2. Step 2: Convert to fraction form
   11,032.86/16,553.37 = 5,112.57/x
3. Step 3: Cross multiply
   11,032.86x = 16,553.37 × 5,112.57
4. Step 4: Simplify right side
   11,032.86x = 84,630,262.86
5. Step 5: Solve for x
   x = 84,630,262.86/11,032.86
6. Step 6: Final answer
   x = 7,670.75