Finding the Fourth Proportional to 14,784.09, 22,171.35 and 4,920.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,784.09 : 22,171.35 = 4,920.72 : x
2. Step 2: Convert to fraction form
   14,784.09/22,171.35 = 4,920.72/x
3. Step 3: Cross multiply
   14,784.09x = 22,171.35 × 4,920.72
4. Step 4: Simplify right side
   14,784.09x = 109,099,005.37
5. Step 5: Solve for x
   x = 109,099,005.37/14,784.09
6. Step 6: Final answer
   x = 7,379.49