Finding the Fourth Proportional to 67,916.80, 101,874.72 and 47,843.68

Step by Step Solution

1. Step 1: Write the proportion equation
   67,916.80 : 101,874.72 = 47,843.68 : x
2. Step 2: Convert to fraction form
   67,916.80/101,874.72 = 47,843.68/x
3. Step 3: Cross multiply
   67,916.80x = 101,874.72 × 47,843.68
4. Step 4: Simplify right side
   67,916.80x = 4,874,061,503.77
5. Step 5: Solve for x
   x = 4,874,061,503.77/67,916.80
6. Step 6: Final answer
   x = 71,765.18