Finding the Fourth Proportional to 83,674.42, 125,510.78 and 20,494.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,674.42 : 125,510.78 = 20,494.82 : x
2. Step 2: Convert to fraction form
   83,674.42/125,510.78 = 20,494.82/x
3. Step 3: Cross multiply
   83,674.42x = 125,510.78 × 20,494.82
4. Step 4: Simplify right side
   83,674.42x = 2,572,320,844.16
5. Step 5: Solve for x
   x = 2,572,320,844.16/83,674.42
6. Step 6: Final answer
   x = 30,742.02