Finding the Fourth Proportional to 7,360.31, 10,157.33 and 4,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,360.31 : 10,157.33 = 4,216.50 : x
2. Step 2: Convert to fraction form
   7,360.31/10,157.33 = 4,216.50/x
3. Step 3: Cross multiply
   7,360.31x = 10,157.33 × 4,216.50
4. Step 4: Simplify right side
   7,360.31x = 42,828,392.49
5. Step 5: Solve for x
   x = 42,828,392.49/7,360.31
6. Step 6: Final answer
   x = 5,818.83