Finding the Fourth Proportional to 7,360.56, 10,158.48 and 4,216.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,360.56 : 10,158.48 = 4,216.56 : x
2. Step 2: Convert to fraction form
   7,360.56/10,158.48 = 4,216.56/x
3. Step 3: Cross multiply
   7,360.56x = 10,158.48 × 4,216.56
4. Step 4: Simplify right side
   7,360.56x = 42,833,840.43
5. Step 5: Solve for x
   x = 42,833,840.43/7,360.56
6. Step 6: Final answer
   x = 5,819.37