Finding the Fourth Proportional to 7,332.42, 10,118.61 and 4,188.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,332.42 : 10,118.61 = 4,188.18 : x
2. Step 2: Convert to fraction form
   7,332.42/10,118.61 = 4,188.18/x
3. Step 3: Cross multiply
   7,332.42x = 10,118.61 × 4,188.18
4. Step 4: Simplify right side
   7,332.42x = 42,378,560.03
5. Step 5: Solve for x
   x = 42,378,560.03/7,332.42
6. Step 6: Final answer
   x = 5,779.61