Finding the Fourth Proportional to 9,133.86, 12,605.31 and 5,153.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.86 : 12,605.31 = 5,153.52 : x
2. Step 2: Convert to fraction form
   9,133.86/12,605.31 = 5,153.52/x
3. Step 3: Cross multiply
   9,133.86x = 12,605.31 × 5,153.52
4. Step 4: Simplify right side
   9,133.86x = 64,961,717.19
5. Step 5: Solve for x
   x = 64,961,717.19/9,133.86
6. Step 6: Final answer
   x = 7,112.19