Finding the Fourth Proportional to 13,068.96, 18,036.48 and 7,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.96 : 18,036.48 = 7,693.50 : x
2. Step 2: Convert to fraction form
   13,068.96/18,036.48 = 7,693.50/x
3. Step 3: Cross multiply
   13,068.96x = 18,036.48 × 7,693.50
4. Step 4: Simplify right side
   13,068.96x = 138,763,658.88
5. Step 5: Solve for x
   x = 138,763,658.88/13,068.96
6. Step 6: Final answer
   x = 10,617.80