Finding the Fourth Proportional to 111,667.84, 154,102.58 and 60,680.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,667.84 : 154,102.58 = 60,680.56 : x
2. Step 2: Convert to fraction form
   111,667.84/154,102.58 = 60,680.56/x
3. Step 3: Cross multiply
   111,667.84x = 154,102.58 × 60,680.56
4. Step 4: Simplify right side
   111,667.84x = 9,351,030,851.84
5. Step 5: Solve for x
   x = 9,351,030,851.84/111,667.84
6. Step 6: Final answer
   x = 83,739.69