Finding the Fourth Proportional to 58,159.52, 80,216.72 and 39,276.96

Step by Step Solution

1. Step 1: Write the proportion equation
   58,159.52 : 80,216.72 = 39,276.96 : x
2. Step 2: Convert to fraction form
   58,159.52/80,216.72 = 39,276.96/x
3. Step 3: Cross multiply
   58,159.52x = 80,216.72 × 39,276.96
4. Step 4: Simplify right side
   58,159.52x = 3,150,668,902.77
5. Step 5: Solve for x
   x = 3,150,668,902.77/58,159.52
6. Step 6: Final answer
   x = 54,172.88