Finding the Fourth Proportional to 40,648.01, 61,276.68 and 37,938.56

Step by Step Solution

1. Step 1: Write the proportion equation
   40,648.01 : 61,276.68 = 37,938.56 : x
2. Step 2: Convert to fraction form
   40,648.01/61,276.68 = 37,938.56/x
3. Step 3: Cross multiply
   40,648.01x = 61,276.68 × 37,938.56
4. Step 4: Simplify right side
   40,648.01x = 2,324,749,000.78
5. Step 5: Solve for x
   x = 2,324,749,000.78/40,648.01
6. Step 6: Final answer
   x = 57,192.20