Finding the Fourth Proportional to 14,045.79, 21,051.73 and 5,153.95

Step by Step Solution

1. Step 1: Write the proportion equation
   14,045.79 : 21,051.73 = 5,153.95 : x
2. Step 2: Convert to fraction form
   14,045.79/21,051.73 = 5,153.95/x
3. Step 3: Cross multiply
   14,045.79x = 21,051.73 × 5,153.95
4. Step 4: Simplify right side
   14,045.79x = 108,499,563.83
5. Step 5: Solve for x
   x = 108,499,563.83/14,045.79
6. Step 6: Final answer
   x = 7,724.70