Finding the Fourth Proportional to 72,870,007.42, 109,324,154.76 and 26,188,206.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,870,007.42 : 109,324,154.76 = 26,188,206.41 : x
2. Step 2: Convert to fraction form
   72,870,007.42/109,324,154.76 = 26,188,206.41/x
3. Step 3: Cross multiply
   72,870,007.42x = 109,324,154.76 × 26,188,206.41
4. Step 4: Simplify right side
   72,870,007.42x = 2,863,003,530,453,664
5. Step 5: Solve for x
   x = 2,863,003,530,453,664/72,870,007.42
6. Step 6: Final answer
   x = 39,289,189.50