Finding the Fourth Proportional to 40,499.13, 60,758.43 and 12,797.13

Step by Step Solution

1. Step 1: Write the proportion equation
   40,499.13 : 60,758.43 = 12,797.13 : x
2. Step 2: Convert to fraction form
   40,499.13/60,758.43 = 12,797.13/x
3. Step 3: Cross multiply
   40,499.13x = 60,758.43 × 12,797.13
4. Step 4: Simplify right side
   40,499.13x = 777,533,527.31
5. Step 5: Solve for x
   x = 777,533,527.31/40,499.13
6. Step 6: Final answer
   x = 19,198.77