Finding the Fourth Proportional to 14,103.18, 21,156.59 and 4,739.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,103.18 : 21,156.59 = 4,739.16 : x
2. Step 2: Convert to fraction form
   14,103.18/21,156.59 = 4,739.16/x
3. Step 3: Cross multiply
   14,103.18x = 21,156.59 × 4,739.16
4. Step 4: Simplify right side
   14,103.18x = 100,264,441.37
5. Step 5: Solve for x
   x = 100,264,441.37/14,103.18
6. Step 6: Final answer
   x = 7,109.35