Finding the Fourth Proportional to 51,659.72, 71,293.61 and 34,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,659.72 : 71,293.61 = 34,402.50 : x
2. Step 2: Convert to fraction form
   51,659.72/71,293.61 = 34,402.50/x
3. Step 3: Cross multiply
   51,659.72x = 71,293.61 × 34,402.50
4. Step 4: Simplify right side
   51,659.72x = 2,452,678,061.63
5. Step 5: Solve for x
   x = 2,452,678,061.63/51,659.72
6. Step 6: Final answer
   x = 47,477.57