Finding the Fourth Proportional to 91,429.56, 125,892.27 and 80,035.29

Step by Step Solution

1. Step 1: Write the proportion equation
   91,429.56 : 125,892.27 = 80,035.29 : x
2. Step 2: Convert to fraction form
   91,429.56/125,892.27 = 80,035.29/x
3. Step 3: Cross multiply
   91,429.56x = 125,892.27 × 80,035.29
4. Step 4: Simplify right side
   91,429.56x = 10,075,824,338.21
5. Step 5: Solve for x
   x = 10,075,824,338.21/91,429.56
6. Step 6: Final answer
   x = 110,203.14