Finding the Fourth Proportional to 53,679.91, 80,158.37 and 43,838.71

Step by Step Solution

1. Step 1: Write the proportion equation
   53,679.91 : 80,158.37 = 43,838.71 : x
2. Step 2: Convert to fraction form
   53,679.91/80,158.37 = 43,838.71/x
3. Step 3: Cross multiply
   53,679.91x = 80,158.37 × 43,838.71
4. Step 4: Simplify right side
   53,679.91x = 3,514,039,245.31
5. Step 5: Solve for x
   x = 3,514,039,245.31/53,679.91
6. Step 6: Final answer
   x = 65,462.84