Finding the Fourth Proportional to 7,330.05, 10,998.72 and 3,434.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,330.05 : 10,998.72 = 3,434.76 : x
2. Step 2: Convert to fraction form
   7,330.05/10,998.72 = 3,434.76/x
3. Step 3: Cross multiply
   7,330.05x = 10,998.72 × 3,434.76
4. Step 4: Simplify right side
   7,330.05x = 37,777,963.51
5. Step 5: Solve for x
   x = 37,777,963.51/7,330.05
6. Step 6: Final answer
   x = 5,153.85