Finding the Fourth Proportional to 40,188.72, 55,420.99 and 37,010.28

Step by Step Solution

1. Step 1: Write the proportion equation
   40,188.72 : 55,420.99 = 37,010.28 : x
2. Step 2: Convert to fraction form
   40,188.72/55,420.99 = 37,010.28/x
3. Step 3: Cross multiply
   40,188.72x = 55,420.99 × 37,010.28
4. Step 4: Simplify right side
   40,188.72x = 2,051,146,357.78
5. Step 5: Solve for x
   x = 2,051,146,357.78/40,188.72
6. Step 6: Final answer
   x = 51,037.86