Finding the Fourth Proportional to 116,526.93, 160,819.49 and 71,231.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,526.93 : 160,819.49 = 71,231.42 : x
2. Step 2: Convert to fraction form
   116,526.93/160,819.49 = 71,231.42/x
3. Step 3: Cross multiply
   116,526.93x = 160,819.49 × 71,231.42
4. Step 4: Simplify right side
   116,526.93x = 11,455,401,216.50
5. Step 5: Solve for x
   x = 11,455,401,216.50/116,526.93
6. Step 6: Final answer
   x = 98,306.90