Finding the Fourth Proportional to 68,940.72, 95,147.11 and 38,726.05

Step by Step Solution

1. Step 1: Write the proportion equation
   68,940.72 : 95,147.11 = 38,726.05 : x
2. Step 2: Convert to fraction form
   68,940.72/95,147.11 = 38,726.05/x
3. Step 3: Cross multiply
   68,940.72x = 95,147.11 × 38,726.05
4. Step 4: Simplify right side
   68,940.72x = 3,684,671,510.32
5. Step 5: Solve for x
   x = 3,684,671,510.32/68,940.72
6. Step 6: Final answer
   x = 53,446.95