Finding the Fourth Proportional to 115,665.67, 173,499.74 and 40,771.86

Step by Step Solution

1. Step 1: Write the proportion equation
   115,665.67 : 173,499.74 = 40,771.86 : x
2. Step 2: Convert to fraction form
   115,665.67/173,499.74 = 40,771.86/x
3. Step 3: Cross multiply
   115,665.67x = 173,499.74 × 40,771.86
4. Step 4: Simplify right side
   115,665.67x = 7,073,907,109.32
5. Step 5: Solve for x
   x = 7,073,907,109.32/115,665.67
6. Step 6: Final answer
   x = 61,158.23