Finding the Fourth Proportional to 91,665.09, 137,518.34 and 41,731.83

Step by Step Solution

1. Step 1: Write the proportion equation
   91,665.09 : 137,518.34 = 41,731.83 : x
2. Step 2: Convert to fraction form
   91,665.09/137,518.34 = 41,731.83/x
3. Step 3: Cross multiply
   91,665.09x = 137,518.34 × 41,731.83
4. Step 4: Simplify right side
   91,665.09x = 5,738,891,778.10
5. Step 5: Solve for x
   x = 5,738,891,778.10/91,665.09
6. Step 6: Final answer
   x = 62,607.17