Finding the Fourth Proportional to 80,389, 110,949.78 and 46,848.52

Step by Step Solution

1. Step 1: Write the proportion equation
   80,389 : 110,949.78 = 46,848.52 : x
2. Step 2: Convert to fraction form
   80,389/110,949.78 = 46,848.52/x
3. Step 3: Cross multiply
   80,389x = 110,949.78 × 46,848.52
4. Step 4: Simplify right side
   80,389x = 5,197,832,987.33
5. Step 5: Solve for x
   x = 5,197,832,987.33/80,389
6. Step 6: Final answer
   x = 64,658.51