Finding the Fourth Proportional to 7,355.60, 10,150.67 and 4,211.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,355.60 : 10,150.67 = 4,211.78 : x
2. Step 2: Convert to fraction form
   7,355.60/10,150.67 = 4,211.78/x
3. Step 3: Cross multiply
   7,355.60x = 10,150.67 × 4,211.78
4. Step 4: Simplify right side
   7,355.60x = 42,752,424.80
5. Step 5: Solve for x
   x = 42,752,424.80/7,355.60
6. Step 6: Final answer
   x = 5,812.23