Finding the Fourth Proportional to 56,527.05, 77,811.57 and 48,866.79

Step by Step Solution

1. Step 1: Write the proportion equation
   56,527.05 : 77,811.57 = 48,866.79 : x
2. Step 2: Convert to fraction form
   56,527.05/77,811.57 = 48,866.79/x
3. Step 3: Cross multiply
   56,527.05x = 77,811.57 × 48,866.79
4. Step 4: Simplify right side
   56,527.05x = 3,802,401,650.76
5. Step 5: Solve for x
   x = 3,802,401,650.76/56,527.05
6. Step 6: Final answer
   x = 67,266.94