Finding the Fourth Proportional to 111,688.09, 154,130.76 and 60,700.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,688.09 : 154,130.76 = 60,700.82 : x
2. Step 2: Convert to fraction form
   111,688.09/154,130.76 = 60,700.82/x
3. Step 3: Cross multiply
   111,688.09x = 154,130.76 × 60,700.82
4. Step 4: Simplify right side
   111,688.09x = 9,355,863,519.22
5. Step 5: Solve for x
   x = 9,355,863,519.22/111,688.09
6. Step 6: Final answer
   x = 83,767.78