Finding the Fourth Proportional to 10,240.76, 14,189.32 and 10,019.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,240.76 : 14,189.32 = 10,019.32 : x
2. Step 2: Convert to fraction form
   10,240.76/14,189.32 = 10,019.32/x
3. Step 3: Cross multiply
   10,240.76x = 14,189.32 × 10,019.32
4. Step 4: Simplify right side
   10,240.76x = 142,167,337.66
5. Step 5: Solve for x
   x = 142,167,337.66/10,240.76
6. Step 6: Final answer
   x = 13,882.50