Finding the Fourth Proportional to 91,401.84, 137,073.42 and 29,057.76

Step by Step Solution

1. Step 1: Write the proportion equation
   91,401.84 : 137,073.42 = 29,057.76 : x
2. Step 2: Convert to fraction form
   91,401.84/137,073.42 = 29,057.76/x
3. Step 3: Cross multiply
   91,401.84x = 137,073.42 × 29,057.76
4. Step 4: Simplify right side
   91,401.84x = 3,983,046,540.74
5. Step 5: Solve for x
   x = 3,983,046,540.74/91,401.84
6. Step 6: Final answer
   x = 43,577.31