Finding the Fourth Proportional to 5,162,510.38, 7,123,971.68 and 2,870,621.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162,510.38 : 7,123,971.68 = 2,870,621.86 : x
2. Step 2: Convert to fraction form
   5,162,510.38/7,123,971.68 = 2,870,621.86/x
3. Step 3: Cross multiply
   5,162,510.38x = 7,123,971.68 × 2,870,621.86
4. Step 4: Simplify right side
   5,162,510.38x = 20,450,228,834,628.92
5. Step 5: Solve for x
   x = 20,450,228,834,628.92/5,162,510.38
6. Step 6: Final answer
   x = 3,961,295.44