Finding the Fourth Proportional to 13,160.55, 18,155.73 and 7,852.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,160.55 : 18,155.73 = 7,852.29 : x
2. Step 2: Convert to fraction form
   13,160.55/18,155.73 = 7,852.29/x
3. Step 3: Cross multiply
   13,160.55x = 18,155.73 × 7,852.29
4. Step 4: Simplify right side
   13,160.55x = 142,564,018.48
5. Step 5: Solve for x
   x = 142,564,018.48/13,160.55
6. Step 6: Final answer
   x = 10,832.68