Finding the Fourth Proportional to 7,498.71, 11,239.56 and 3,742.74

Step by Step Solution

1. Step 1: Write the proportion equation
   7,498.71 : 11,239.56 = 3,742.74 : x
2. Step 2: Convert to fraction form
   7,498.71/11,239.56 = 3,742.74/x
3. Step 3: Cross multiply
   7,498.71x = 11,239.56 × 3,742.74
4. Step 4: Simplify right side
   7,498.71x = 42,066,750.79
5. Step 5: Solve for x
   x = 42,066,750.79/7,498.71
6. Step 6: Final answer
   x = 5,609.87