Finding the Fourth Proportional to 47,947.62, 66,196.06 and 42,627.71

Step by Step Solution

1. Step 1: Write the proportion equation
   47,947.62 : 66,196.06 = 42,627.71 : x
2. Step 2: Convert to fraction form
   47,947.62/66,196.06 = 42,627.71/x
3. Step 3: Cross multiply
   47,947.62x = 66,196.06 × 42,627.71
4. Step 4: Simplify right side
   47,947.62x = 2,821,786,854.41
5. Step 5: Solve for x
   x = 2,821,786,854.41/47,947.62
6. Step 6: Final answer
   x = 58,851.45