Finding the Fourth Proportional to 13,030.98, 17,982.32 and 7,722.65

Step by Step Solution

1. Step 1: Write the proportion equation
   13,030.98 : 17,982.32 = 7,722.65 : x
2. Step 2: Convert to fraction form
   13,030.98/17,982.32 = 7,722.65/x
3. Step 3: Cross multiply
   13,030.98x = 17,982.32 × 7,722.65
4. Step 4: Simplify right side
   13,030.98x = 138,871,035.02
5. Step 5: Solve for x
   x = 138,871,035.02/13,030.98
6. Step 6: Final answer
   x = 10,656.99