Finding the Fourth Proportional to 78,686.38, 108,590.79 and 46,422.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,686.38 : 108,590.79 = 46,422.22 : x
2. Step 2: Convert to fraction form
   78,686.38/108,590.79 = 46,422.22/x
3. Step 3: Cross multiply
   78,686.38x = 108,590.79 × 46,422.22
4. Step 4: Simplify right side
   78,686.38x = 5,041,025,543.35
5. Step 5: Solve for x
   x = 5,041,025,543.35/78,686.38
6. Step 6: Final answer
   x = 64,064.78