Finding the Fourth Proportional to 60,245.70, 83,168 and 42,356.04

Step by Step Solution

1. Step 1: Write the proportion equation
   60,245.70 : 83,168 = 42,356.04 : x
2. Step 2: Convert to fraction form
   60,245.70/83,168 = 42,356.04/x
3. Step 3: Cross multiply
   60,245.70x = 83,168 × 42,356.04
4. Step 4: Simplify right side
   60,245.70x = 3,522,667,134.72
5. Step 5: Solve for x
   x = 3,522,667,134.72/60,245.70
6. Step 6: Final answer
   x = 58,471.68