Finding the Fourth Proportional to 91,938.98, 137,963.56 and 39,348.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,938.98 : 137,963.56 = 39,348.52 : x
2. Step 2: Convert to fraction form
   91,938.98/137,963.56 = 39,348.52/x
3. Step 3: Cross multiply
   91,938.98x = 137,963.56 × 39,348.52
4. Step 4: Simplify right side
   91,938.98x = 5,428,661,899.93
5. Step 5: Solve for x
   x = 5,428,661,899.93/91,938.98
6. Step 6: Final answer
   x = 59,046.36