Finding the Fourth Proportional to 91,401.12, 137,072.52 and 29,057.04

Step by Step Solution

1. Step 1: Write the proportion equation
   91,401.12 : 137,072.52 = 29,057.04 : x
2. Step 2: Convert to fraction form
   91,401.12/137,072.52 = 29,057.04/x
3. Step 3: Cross multiply
   91,401.12x = 137,072.52 × 29,057.04
4. Step 4: Simplify right side
   91,401.12x = 3,982,921,696.54
5. Step 5: Solve for x
   x = 3,982,921,696.54/91,401.12
6. Step 6: Final answer
   x = 43,576.29