Finding the Fourth Proportional to 91,974.50, 137,846.33 and 39,322.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,974.50 : 137,846.33 = 39,322.10 : x
2. Step 2: Convert to fraction form
   91,974.50/137,846.33 = 39,322.10/x
3. Step 3: Cross multiply
   91,974.50x = 137,846.33 × 39,322.10
4. Step 4: Simplify right side
   91,974.50x = 5,420,407,172.89
5. Step 5: Solve for x
   x = 5,420,407,172.89/91,974.50
6. Step 6: Final answer
   x = 58,933.80