Finding the Fourth Proportional to 113,894.10, 170,841.15 and 30,788.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,894.10 : 170,841.15 = 30,788.10 : x
2. Step 2: Convert to fraction form
   113,894.10/170,841.15 = 30,788.10/x
3. Step 3: Cross multiply
   113,894.10x = 170,841.15 × 30,788.10
4. Step 4: Simplify right side
   113,894.10x = 5,259,874,410.32
5. Step 5: Solve for x
   x = 5,259,874,410.32/113,894.10
6. Step 6: Final answer
   x = 46,182.15