Finding the Fourth Proportional to 108,521.46, 162,837.77 and 51,659.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,521.46 : 162,837.77 = 51,659.72 : x
2. Step 2: Convert to fraction form
   108,521.46/162,837.77 = 51,659.72/x
3. Step 3: Cross multiply
   108,521.46x = 162,837.77 × 51,659.72
4. Step 4: Simplify right side
   108,521.46x = 8,412,153,141.78
5. Step 5: Solve for x
   x = 8,412,153,141.78/108,521.46
6. Step 6: Final answer
   x = 77,516.03