Finding the Fourth Proportional to 111,007.60, 166,536.02 and 51,810.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,007.60 : 166,536.02 = 51,810.98 : x
2. Step 2: Convert to fraction form
   111,007.60/166,536.02 = 51,810.98/x
3. Step 3: Cross multiply
   111,007.60x = 166,536.02 × 51,810.98
4. Step 4: Simplify right side
   111,007.60x = 8,628,394,401.50
5. Step 5: Solve for x
   x = 8,628,394,401.50/111,007.60
6. Step 6: Final answer
   x = 77,727.96