Finding the Fourth Proportional to 60,423.02, 83,407.04 and 40,272.56

Step by Step Solution

1. Step 1: Write the proportion equation
   60,423.02 : 83,407.04 = 40,272.56 : x
2. Step 2: Convert to fraction form
   60,423.02/83,407.04 = 40,272.56/x
3. Step 3: Cross multiply
   60,423.02x = 83,407.04 × 40,272.56
4. Step 4: Simplify right side
   60,423.02x = 3,359,015,022.82
5. Step 5: Solve for x
   x = 3,359,015,022.82/60,423.02
6. Step 6: Final answer
   x = 55,591.64