Finding the Fourth Proportional to 91,786.37, 137,622.18 and 38,463.94

Step by Step Solution

1. Step 1: Write the proportion equation
   91,786.37 : 137,622.18 = 38,463.94 : x
2. Step 2: Convert to fraction form
   91,786.37/137,622.18 = 38,463.94/x
3. Step 3: Cross multiply
   91,786.37x = 137,622.18 × 38,463.94
4. Step 4: Simplify right side
   91,786.37x = 5,293,491,274.19
5. Step 5: Solve for x
   x = 5,293,491,274.19/91,786.37
6. Step 6: Final answer
   x = 57,671.87