Finding the Fourth Proportional to 78,498.93, 108,290.43 and 46,645.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,498.93 : 108,290.43 = 46,645.27 : x
2. Step 2: Convert to fraction form
   78,498.93/108,290.43 = 46,645.27/x
3. Step 3: Cross multiply
   78,498.93x = 108,290.43 × 46,645.27
4. Step 4: Simplify right side
   78,498.93x = 5,051,236,345.77
5. Step 5: Solve for x
   x = 5,051,236,345.77/78,498.93
6. Step 6: Final answer
   x = 64,347.84