Finding the Fourth Proportional to 113,097.06, 169,651.42 and 28,857.96

Step by Step Solution

1. Step 1: Write the proportion equation
   113,097.06 : 169,651.42 = 28,857.96 : x
2. Step 2: Convert to fraction form
   113,097.06/169,651.42 = 28,857.96/x
3. Step 3: Cross multiply
   113,097.06x = 169,651.42 × 28,857.96
4. Step 4: Simplify right side
   113,097.06x = 4,895,793,892.30
5. Step 5: Solve for x
   x = 4,895,793,892.30/113,097.06
6. Step 6: Final answer
   x = 43,288.43