Finding the Fourth Proportional to 34,857.02, 52,256.15 and 15,120.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,857.02 : 52,256.15 = 15,120.72 : x
2. Step 2: Convert to fraction form
   34,857.02/52,256.15 = 15,120.72/x
3. Step 3: Cross multiply
   34,857.02x = 52,256.15 × 15,120.72
4. Step 4: Simplify right side
   34,857.02x = 790,150,536.82
5. Step 5: Solve for x
   x = 790,150,536.82/34,857.02
6. Step 6: Final answer
   x = 22,668.33