Finding the Fourth Proportional to 91,534.39, 137,323.50 and 38,196.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,534.39 : 137,323.50 = 38,196.69 : x
2. Step 2: Convert to fraction form
   91,534.39/137,323.50 = 38,196.69/x
3. Step 3: Cross multiply
   91,534.39x = 137,323.50 × 38,196.69
4. Step 4: Simplify right side
   91,534.39x = 5,245,303,512.50
5. Step 5: Solve for x
   x = 5,245,303,512.50/91,534.39
6. Step 6: Final answer
   x = 57,304.19