Finding the Fourth Proportional to 34,215.16, 51,300.79 and 14,238.48

Step by Step Solution

1. Step 1: Write the proportion equation
   34,215.16 : 51,300.79 = 14,238.48 : x
2. Step 2: Convert to fraction form
   34,215.16/51,300.79 = 14,238.48/x
3. Step 3: Cross multiply
   34,215.16x = 51,300.79 × 14,238.48
4. Step 4: Simplify right side
   34,215.16x = 730,445,509.27
5. Step 5: Solve for x
   x = 730,445,509.27/34,215.16
6. Step 6: Final answer
   x = 21,348.59