Finding the Fourth Proportional to 23,412.96, 35,124.24 and 7,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,412.96 : 35,124.24 = 7,830.72 : x
2. Step 2: Convert to fraction form
   23,412.96/35,124.24 = 7,830.72/x
3. Step 3: Cross multiply
   23,412.96x = 35,124.24 × 7,830.72
4. Step 4: Simplify right side
   23,412.96x = 275,048,088.65
5. Step 5: Solve for x
   x = 275,048,088.65/23,412.96
6. Step 6: Final answer
   x = 11,747.69