Finding the Fourth Proportional to 10,010.10, 14,986.35 and 9,722.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.10 : 14,986.35 = 9,722.10 : x
2. Step 2: Convert to fraction form
   10,010.10/14,986.35 = 9,722.10/x
3. Step 3: Cross multiply
   10,010.10x = 14,986.35 × 9,722.10
4. Step 4: Simplify right side
   10,010.10x = 145,698,793.34
5. Step 5: Solve for x
   x = 145,698,793.34/10,010.10
6. Step 6: Final answer
   x = 14,555.18