Finding the Fourth Proportional to 80,900.88, 111,618.47 and 46,902.58

Step by Step Solution

1. Step 1: Write the proportion equation
   80,900.88 : 111,618.47 = 46,902.58 : x
2. Step 2: Convert to fraction form
   80,900.88/111,618.47 = 46,902.58/x
3. Step 3: Cross multiply
   80,900.88x = 111,618.47 × 46,902.58
4. Step 4: Simplify right side
   80,900.88x = 5,235,194,684.72
5. Step 5: Solve for x
   x = 5,235,194,684.72/80,900.88
6. Step 6: Final answer
   x = 64,711.22