Finding the Fourth Proportional to 7,342.22, 10,129.38 and 4,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,342.22 : 10,129.38 = 4,196.72 : x
2. Step 2: Convert to fraction form
   7,342.22/10,129.38 = 4,196.72/x
3. Step 3: Cross multiply
   7,342.22x = 10,129.38 × 4,196.72
4. Step 4: Simplify right side
   7,342.22x = 42,510,171.63
5. Step 5: Solve for x
   x = 42,510,171.63/7,342.22
6. Step 6: Final answer
   x = 5,789.83