Finding the Fourth Proportional to 88,636.54, 132,920.10 and 30,919.20

Step by Step Solution

1. Step 1: Write the proportion equation
   88,636.54 : 132,920.10 = 30,919.20 : x
2. Step 2: Convert to fraction form
   88,636.54/132,920.10 = 30,919.20/x
3. Step 3: Cross multiply
   88,636.54x = 132,920.10 × 30,919.20
4. Step 4: Simplify right side
   88,636.54x = 4,109,783,001.32
5. Step 5: Solve for x
   x = 4,109,783,001.32/88,636.54
6. Step 6: Final answer
   x = 46,366.69