Finding the Fourth Proportional to 55,856.16, 77,159.82 and 50,811.48

Step by Step Solution

1. Step 1: Write the proportion equation
   55,856.16 : 77,159.82 = 50,811.48 : x
2. Step 2: Convert to fraction form
   55,856.16/77,159.82 = 50,811.48/x
3. Step 3: Cross multiply
   55,856.16x = 77,159.82 × 50,811.48
4. Step 4: Simplify right side
   55,856.16x = 3,920,604,841.28
5. Step 5: Solve for x
   x = 3,920,604,841.28/55,856.16
6. Step 6: Final answer
   x = 70,191.09