Finding the Fourth Proportional to 23,487.99, 35,148.15 and 20,404.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,487.99 : 35,148.15 = 20,404.32 : x
2. Step 2: Convert to fraction form
   23,487.99/35,148.15 = 20,404.32/x
3. Step 3: Cross multiply
   23,487.99x = 35,148.15 × 20,404.32
4. Step 4: Simplify right side
   23,487.99x = 717,174,100.01
5. Step 5: Solve for x
   x = 717,174,100.01/23,487.99
6. Step 6: Final answer
   x = 30,533.65