Finding the Fourth Proportional to 85,667.82, 128,515.49 and 29,494.11

Step by Step Solution

1. Step 1: Write the proportion equation
   85,667.82 : 128,515.49 = 29,494.11 : x
2. Step 2: Convert to fraction form
   85,667.82/128,515.49 = 29,494.11/x
3. Step 3: Cross multiply
   85,667.82x = 128,515.49 × 29,494.11
4. Step 4: Simplify right side
   85,667.82x = 3,790,449,998.76
5. Step 5: Solve for x
   x = 3,790,449,998.76/85,667.82
6. Step 6: Final answer
   x = 44,245.90