Finding the Fourth Proportional to 67,640.83, 93,381.89 and 40,790.14

Step by Step Solution

1. Step 1: Write the proportion equation
   67,640.83 : 93,381.89 = 40,790.14 : x
2. Step 2: Convert to fraction form
   67,640.83/93,381.89 = 40,790.14/x
3. Step 3: Cross multiply
   67,640.83x = 93,381.89 × 40,790.14
4. Step 4: Simplify right side
   67,640.83x = 3,809,060,162.61
5. Step 5: Solve for x
   x = 3,809,060,162.61/67,640.83
6. Step 6: Final answer
   x = 56,313.03