Finding the Fourth Proportional to 66,081.73, 91,194.15 and 37,401.39

Step by Step Solution

1. Step 1: Write the proportion equation
   66,081.73 : 91,194.15 = 37,401.39 : x
2. Step 2: Convert to fraction form
   66,081.73/91,194.15 = 37,401.39/x
3. Step 3: Cross multiply
   66,081.73x = 91,194.15 × 37,401.39
4. Step 4: Simplify right side
   66,081.73x = 3,410,787,969.87
5. Step 5: Solve for x
   x = 3,410,787,969.87/66,081.73
6. Step 6: Final answer
   x = 51,614.69