Finding the Fourth Proportional to 123,998.50, 185,997.84 and 40,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,998.50 : 185,997.84 = 40,892.50 : x
2. Step 2: Convert to fraction form
   123,998.50/185,997.84 = 40,892.50/x
3. Step 3: Cross multiply
   123,998.50x = 185,997.84 × 40,892.50
4. Step 4: Simplify right side
   123,998.50x = 7,605,916,672.20
5. Step 5: Solve for x
   x = 7,605,916,672.20/123,998.50
6. Step 6: Final answer
   x = 61,338.78