Finding the Fourth Proportional to 14,298.55, 21,450.69 and 4,938.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,298.55 : 21,450.69 = 4,938.91 : x
2. Step 2: Convert to fraction form
   14,298.55/21,450.69 = 4,938.91/x
3. Step 3: Cross multiply
   14,298.55x = 21,450.69 × 4,938.91
4. Step 4: Simplify right side
   14,298.55x = 105,942,973.72
5. Step 5: Solve for x
   x = 105,942,973.72/14,298.55
6. Step 6: Final answer
   x = 7,409.35