Finding the Fourth Proportional to 10,057.32, 14,979.74 and 9,530.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,057.32 : 14,979.74 = 9,530.39 : x
2. Step 2: Convert to fraction form
   10,057.32/14,979.74 = 9,530.39/x
3. Step 3: Cross multiply
   10,057.32x = 14,979.74 × 9,530.39
4. Step 4: Simplify right side
   10,057.32x = 142,762,754.10
5. Step 5: Solve for x
   x = 142,762,754.10/10,057.32
6. Step 6: Final answer
   x = 14,194.91