Finding the Fourth Proportional to 51,499.17, 71,069.85 and 29,143.17

Step by Step Solution

1. Step 1: Write the proportion equation
   51,499.17 : 71,069.85 = 29,143.17 : x
2. Step 2: Convert to fraction form
   51,499.17/71,069.85 = 29,143.17/x
3. Step 3: Cross multiply
   51,499.17x = 71,069.85 × 29,143.17
4. Step 4: Simplify right side
   51,499.17x = 2,071,200,720.42
5. Step 5: Solve for x
   x = 2,071,200,720.42/51,499.17
6. Step 6: Final answer
   x = 40,218.14