Finding the Fourth Proportional to 7,362.32, 10,160.10 and 4,218.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,362.32 : 10,160.10 = 4,218.50 : x
2. Step 2: Convert to fraction form
   7,362.32/10,160.10 = 4,218.50/x
3. Step 3: Cross multiply
   7,362.32x = 10,160.10 × 4,218.50
4. Step 4: Simplify right side
   7,362.32x = 42,860,381.85
5. Step 5: Solve for x
   x = 42,860,381.85/7,362.32
6. Step 6: Final answer
   x = 5,821.59