Finding the Fourth Proportional to 88,434, 122,039.04 and 48,690

Step by Step Solution

1. Step 1: Write the proportion equation
   88,434 : 122,039.04 = 48,690 : x
2. Step 2: Convert to fraction form
   88,434/122,039.04 = 48,690/x
3. Step 3: Cross multiply
   88,434x = 122,039.04 × 48,690
4. Step 4: Simplify right side
   88,434x = 5,942,080,857.60
5. Step 5: Solve for x
   x = 5,942,080,857.60/88,434
6. Step 6: Final answer
   x = 67,192.27