Finding the Fourth Proportional to 109,565.57, 164,335.59 and 30,686.15

Step by Step Solution

1. Step 1: Write the proportion equation
   109,565.57 : 164,335.59 = 30,686.15 : x
2. Step 2: Convert to fraction form
   109,565.57/164,335.59 = 30,686.15/x
3. Step 3: Cross multiply
   109,565.57x = 164,335.59 × 30,686.15
4. Step 4: Simplify right side
   109,565.57x = 5,042,825,743.40
5. Step 5: Solve for x
   x = 5,042,825,743.40/109,565.57
6. Step 6: Final answer
   x = 46,025.64