Finding the Fourth Proportional to 13,164.03, 18,160.15 and 7,782.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.03 : 18,160.15 = 7,782.84 : x
2. Step 2: Convert to fraction form
   13,164.03/18,160.15 = 7,782.84/x
3. Step 3: Cross multiply
   13,164.03x = 18,160.15 × 7,782.84
4. Step 4: Simplify right side
   13,164.03x = 141,337,541.83
5. Step 5: Solve for x
   x = 141,337,541.83/13,164.03
6. Step 6: Final answer
   x = 10,736.65