Finding the Fourth Proportional to 14,142, 21,222.72 and 4,908

Step by Step Solution

1. Step 1: Write the proportion equation
   14,142 : 21,222.72 = 4,908 : x
2. Step 2: Convert to fraction form
   14,142/21,222.72 = 4,908/x
3. Step 3: Cross multiply
   14,142x = 21,222.72 × 4,908
4. Step 4: Simplify right side
   14,142x = 104,161,109.76
5. Step 5: Solve for x
   x = 104,161,109.76/14,142
6. Step 6: Final answer
   x = 7,365.37