Finding the Fourth Proportional to 78,498.43, 108,289.74 and 46,644.77

Step by Step Solution

1. Step 1: Write the proportion equation
   78,498.43 : 108,289.74 = 46,644.77 : x
2. Step 2: Convert to fraction form
   78,498.43/108,289.74 = 46,644.77/x
3. Step 3: Cross multiply
   78,498.43x = 108,289.74 × 46,644.77
4. Step 4: Simplify right side
   78,498.43x = 5,051,150,015.66
5. Step 5: Solve for x
   x = 5,051,150,015.66/78,498.43
6. Step 6: Final answer
   x = 64,347.15