Finding the Fourth Proportional to 80,308.86, 110,725.47 and 51,577.80

Step by Step Solution

1. Step 1: Write the proportion equation
   80,308.86 : 110,725.47 = 51,577.80 : x
2. Step 2: Convert to fraction form
   80,308.86/110,725.47 = 51,577.80/x
3. Step 3: Cross multiply
   80,308.86x = 110,725.47 × 51,577.80
4. Step 4: Simplify right side
   80,308.86x = 5,710,976,146.57
5. Step 5: Solve for x
   x = 5,710,976,146.57/80,308.86
6. Step 6: Final answer
   x = 71,112.65