Finding the Fourth Proportional to 123,997.50, 185,996.34 and 40,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,997.50 : 185,996.34 = 40,891.50 : x
2. Step 2: Convert to fraction form
   123,997.50/185,996.34 = 40,891.50/x
3. Step 3: Cross multiply
   123,997.50x = 185,996.34 × 40,891.50
4. Step 4: Simplify right side
   123,997.50x = 7,605,669,337.11
5. Step 5: Solve for x
   x = 7,605,669,337.11/123,997.50
6. Step 6: Final answer
   x = 61,337.28