Finding the Fourth Proportional to 7,360.78, 10,157.82 and 4,216.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,360.78 : 10,157.82 = 4,216.96 : x
2. Step 2: Convert to fraction form
   7,360.78/10,157.82 = 4,216.96/x
3. Step 3: Cross multiply
   7,360.78x = 10,157.82 × 4,216.96
4. Step 4: Simplify right side
   7,360.78x = 42,835,120.63
5. Step 5: Solve for x
   x = 42,835,120.63/7,360.78
6. Step 6: Final answer
   x = 5,819.37