Finding the Fourth Proportional to 74,789.83, 103,219.92 and 47,568.47

Step by Step Solution

1. Step 1: Write the proportion equation
   74,789.83 : 103,219.92 = 47,568.47 : x
2. Step 2: Convert to fraction form
   74,789.83/103,219.92 = 47,568.47/x
3. Step 3: Cross multiply
   74,789.83x = 103,219.92 × 47,568.47
4. Step 4: Simplify right side
   74,789.83x = 4,910,013,151.82
5. Step 5: Solve for x
   x = 4,910,013,151.82/74,789.83
6. Step 6: Final answer
   x = 65,650.81