Finding the Fourth Proportional to 10,068.72, 15,105.24 and 4,221.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,068.72 : 15,105.24 = 4,221.96 : x
2. Step 2: Convert to fraction form
   10,068.72/15,105.24 = 4,221.96/x
3. Step 3: Cross multiply
   10,068.72x = 15,105.24 × 4,221.96
4. Step 4: Simplify right side
   10,068.72x = 63,773,719.07
5. Step 5: Solve for x
   x = 63,773,719.07/10,068.72
6. Step 6: Final answer
   x = 6,333.85