Finding the Fourth Proportional to 23,281, 32,134.55 and 15,215.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,281 : 32,134.55 = 15,215.83 : x
2. Step 2: Convert to fraction form
   23,281/32,134.55 = 15,215.83/x
3. Step 3: Cross multiply
   23,281x = 32,134.55 × 15,215.83
4. Step 4: Simplify right side
   23,281x = 488,953,849.93
5. Step 5: Solve for x
   x = 488,953,849.93/23,281
6. Step 6: Final answer
   x = 21,002.27