Finding the Fourth Proportional to 91,168.73, 125,819.15 and 50,890.33

Step by Step Solution

1. Step 1: Write the proportion equation
   91,168.73 : 125,819.15 = 50,890.33 : x
2. Step 2: Convert to fraction form
   91,168.73/125,819.15 = 50,890.33/x
3. Step 3: Cross multiply
   91,168.73x = 125,819.15 × 50,890.33
4. Step 4: Simplify right side
   91,168.73x = 6,402,978,063.82
5. Step 5: Solve for x
   x = 6,402,978,063.82/91,168.73
6. Step 6: Final answer
   x = 70,232.17