Finding the Fourth Proportional to 85,667.32, 128,514.75 and 29,493.62

Step by Step Solution

1. Step 1: Write the proportion equation
   85,667.32 : 128,514.75 = 29,493.62 : x
2. Step 2: Convert to fraction form
   85,667.32/128,514.75 = 29,493.62/x
3. Step 3: Cross multiply
   85,667.32x = 128,514.75 × 29,493.62
4. Step 4: Simplify right side
   85,667.32x = 3,790,364,410.85
5. Step 5: Solve for x
   x = 3,790,364,410.85/85,667.32
6. Step 6: Final answer
   x = 44,245.16