Finding the Fourth Proportional to 88,978.64, 122,789.60 and 50,744.42

Step by Step Solution

1. Step 1: Write the proportion equation
   88,978.64 : 122,789.60 = 50,744.42 : x
2. Step 2: Convert to fraction form
   88,978.64/122,789.60 = 50,744.42/x
3. Step 3: Cross multiply
   88,978.64x = 122,789.60 × 50,744.42
4. Step 4: Simplify right side
   88,978.64x = 6,230,886,166.36
5. Step 5: Solve for x
   x = 6,230,886,166.36/88,978.64
6. Step 6: Final answer
   x = 70,026.77