Finding the Fourth Proportional to 113,113.51, 169,667.53 and 28,874.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,113.51 : 169,667.53 = 28,874.37 : x
2. Step 2: Convert to fraction form
   113,113.51/169,667.53 = 28,874.37/x
3. Step 3: Cross multiply
   113,113.51x = 169,667.53 × 28,874.37
4. Step 4: Simplify right side
   113,113.51x = 4,899,042,893.83
5. Step 5: Solve for x
   x = 4,899,042,893.83/113,113.51
6. Step 6: Final answer
   x = 43,310.86