Finding the Fourth Proportional to 111,688.84, 154,131.79 and 60,701.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,688.84 : 154,131.79 = 60,701.57 : x
2. Step 2: Convert to fraction form
   111,688.84/154,131.79 = 60,701.57/x
3. Step 3: Cross multiply
   111,688.84x = 154,131.79 × 60,701.57
4. Step 4: Simplify right side
   111,688.84x = 9,356,041,639.91
5. Step 5: Solve for x
   x = 9,356,041,639.91/111,688.84
6. Step 6: Final answer
   x = 83,768.81