Finding the Fourth Proportional to 91,601.36, 137,425.27 and 38,284.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,601.36 : 137,425.27 = 38,284.12 : x
2. Step 2: Convert to fraction form
   91,601.36/137,425.27 = 38,284.12/x
3. Step 3: Cross multiply
   91,601.36x = 137,425.27 × 38,284.12
4. Step 4: Simplify right side
   91,601.36x = 5,261,205,527.71
5. Step 5: Solve for x
   x = 5,261,205,527.71/91,601.36
6. Step 6: Final answer
   x = 57,435.89