Finding the Fourth Proportional to 7,498.12, 10,347.46 and 4,140.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,498.12 : 10,347.46 = 4,140.84 : x
2. Step 2: Convert to fraction form
   7,498.12/10,347.46 = 4,140.84/x
3. Step 3: Cross multiply
   7,498.12x = 10,347.46 × 4,140.84
4. Step 4: Simplify right side
   7,498.12x = 42,847,176.27
5. Step 5: Solve for x
   x = 42,847,176.27/7,498.12
6. Step 6: Final answer
   x = 5,714.39