Finding the Fourth Proportional to 13,034.98, 17,985.81 and 7,727.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,034.98 : 17,985.81 = 7,727.86 : x
2. Step 2: Convert to fraction form
   13,034.98/17,985.81 = 7,727.86/x
3. Step 3: Cross multiply
   13,034.98x = 17,985.81 × 7,727.86
4. Step 4: Simplify right side
   13,034.98x = 138,991,821.67
5. Step 5: Solve for x
   x = 138,991,821.67/13,034.98
6. Step 6: Final answer
   x = 10,662.99