Finding the Fourth Proportional to 74,947.49, 103,433.43 and 42,683.48

Step by Step Solution

1. Step 1: Write the proportion equation
   74,947.49 : 103,433.43 = 42,683.48 : x
2. Step 2: Convert to fraction form
   74,947.49/103,433.43 = 42,683.48/x
3. Step 3: Cross multiply
   74,947.49x = 103,433.43 × 42,683.48
4. Step 4: Simplify right side
   74,947.49x = 4,414,898,010.15
5. Step 5: Solve for x
   x = 4,414,898,010.15/74,947.49
6. Step 6: Final answer
   x = 58,906.55