Finding the Fourth Proportional to 51,683.69, 71,318.16 and 29,025.15

Step by Step Solution

1. Step 1: Write the proportion equation
   51,683.69 : 71,318.16 = 29,025.15 : x
2. Step 2: Convert to fraction form
   51,683.69/71,318.16 = 29,025.15/x
3. Step 3: Cross multiply
   51,683.69x = 71,318.16 × 29,025.15
4. Step 4: Simplify right side
   51,683.69x = 2,070,020,291.72
5. Step 5: Solve for x
   x = 2,070,020,291.72/51,683.69
6. Step 6: Final answer
   x = 40,051.72