Finding the Fourth Proportional to 85,769.82, 128,663.46 and 29,602.62

Step by Step Solution

1. Step 1: Write the proportion equation
   85,769.82 : 128,663.46 = 29,602.62 : x
2. Step 2: Convert to fraction form
   85,769.82/128,663.46 = 29,602.62/x
3. Step 3: Cross multiply
   85,769.82x = 128,663.46 × 29,602.62
4. Step 4: Simplify right side
   85,769.82x = 3,808,775,514.27
5. Step 5: Solve for x
   x = 3,808,775,514.27/85,769.82
6. Step 6: Final answer
   x = 44,406.94