Finding the Fourth Proportional to 78,499.43, 108,291.12 and 46,645.77

Step by Step Solution

1. Step 1: Write the proportion equation
   78,499.43 : 108,291.12 = 46,645.77 : x
2. Step 2: Convert to fraction form
   78,499.43/108,291.12 = 46,645.77/x
3. Step 3: Cross multiply
   78,499.43x = 108,291.12 × 46,645.77
4. Step 4: Simplify right side
   78,499.43x = 5,051,322,676.56
5. Step 5: Solve for x
   x = 5,051,322,676.56/78,499.43
6. Step 6: Final answer
   x = 64,348.53