Finding the Fourth Proportional to 59,364.72, 81,820.80 and 51,763.68

Step by Step Solution

1. Step 1: Write the proportion equation
   59,364.72 : 81,820.80 = 51,763.68 : x
2. Step 2: Convert to fraction form
   59,364.72/81,820.80 = 51,763.68/x
3. Step 3: Cross multiply
   59,364.72x = 81,820.80 × 51,763.68
4. Step 4: Simplify right side
   59,364.72x = 4,235,345,708.54
5. Step 5: Solve for x
   x = 4,235,345,708.54/59,364.72
6. Step 6: Final answer
   x = 71,344.49