Finding the Fourth Proportional to 74,628.27, 102,981.78 and 42,363.54

Step by Step Solution

1. Step 1: Write the proportion equation
   74,628.27 : 102,981.78 = 42,363.54 : x
2. Step 2: Convert to fraction form
   74,628.27/102,981.78 = 42,363.54/x
3. Step 3: Cross multiply
   74,628.27x = 102,981.78 × 42,363.54
4. Step 4: Simplify right side
   74,628.27x = 4,362,672,756.30
5. Step 5: Solve for x
   x = 4,362,672,756.30/74,628.27
6. Step 6: Final answer
   x = 58,458.71