Finding the Fourth Proportional to 8,147.84, 12,160.22 and 7,360.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147.84 : 12,160.22 = 7,360.52 : x
2. Step 2: Convert to fraction form
   8,147.84/12,160.22 = 7,360.52/x
3. Step 3: Cross multiply
   8,147.84x = 12,160.22 × 7,360.52
4. Step 4: Simplify right side
   8,147.84x = 89,505,542.51
5. Step 5: Solve for x
   x = 89,505,542.51/8,147.84
6. Step 6: Final answer
   x = 10,985.19