Finding the Fourth Proportional to 78,742.74, 108,648.09 and 46,922.16

Step by Step Solution

1. Step 1: Write the proportion equation
   78,742.74 : 108,648.09 = 46,922.16 : x
2. Step 2: Convert to fraction form
   78,742.74/108,648.09 = 46,922.16/x
3. Step 3: Cross multiply
   78,742.74x = 108,648.09 × 46,922.16
4. Step 4: Simplify right side
   78,742.74x = 5,098,003,062.67
5. Step 5: Solve for x
   x = 5,098,003,062.67/78,742.74
6. Step 6: Final answer
   x = 64,742.52