Finding the Fourth Proportional to 123,637.44, 185,490.72 and 40,589.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,637.44 : 185,490.72 = 40,589.76 : x
2. Step 2: Convert to fraction form
   123,637.44/185,490.72 = 40,589.76/x
3. Step 3: Cross multiply
   123,637.44x = 185,490.72 × 40,589.76
4. Step 4: Simplify right side
   123,637.44x = 7,529,023,807.03
5. Step 5: Solve for x
   x = 7,529,023,807.03/123,637.44
6. Step 6: Final answer
   x = 60,895.99