Finding the Fourth Proportional to 23,293.42, 32,145.15 and 13,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,293.42 : 32,145.15 = 13,355.50 : x
2. Step 2: Convert to fraction form
   23,293.42/32,145.15 = 13,355.50/x
3. Step 3: Cross multiply
   23,293.42x = 32,145.15 × 13,355.50
4. Step 4: Simplify right side
   23,293.42x = 429,314,550.83
5. Step 5: Solve for x
   x = 429,314,550.83/23,293.42
6. Step 6: Final answer
   x = 18,430.72