Finding the Fourth Proportional to 5,298,375.72, 7,311,555.30 and 3,006,399.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298,375.72 : 7,311,555.30 = 3,006,399.72 : x
2. Step 2: Convert to fraction form
   5,298,375.72/7,311,555.30 = 3,006,399.72/x
3. Step 3: Cross multiply
   5,298,375.72x = 7,311,555.30 × 3,006,399.72
4. Step 4: Simplify right side
   5,298,375.72x = 21,981,457,806,684.52
5. Step 5: Solve for x
   x = 21,981,457,806,684.52/5,298,375.72
6. Step 6: Final answer
   x = 4,148,716.32