Finding the Fourth Proportional to 51,139.38, 70,572.87 and 29,914.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,139.38 : 70,572.87 = 29,914.50 : x
2. Step 2: Convert to fraction form
   51,139.38/70,572.87 = 29,914.50/x
3. Step 3: Cross multiply
   51,139.38x = 70,572.87 × 29,914.50
4. Step 4: Simplify right side
   51,139.38x = 2,111,152,119.62
5. Step 5: Solve for x
   x = 2,111,152,119.62/51,139.38
6. Step 6: Final answer
   x = 41,282.32