Finding the Fourth Proportional to 111,633.87, 154,056.42 and 60,647.61

Step by Step Solution

1. Step 1: Write the proportion equation
   111,633.87 : 154,056.42 = 60,647.61 : x
2. Step 2: Convert to fraction form
   111,633.87/154,056.42 = 60,647.61/x
3. Step 3: Cross multiply
   111,633.87x = 154,056.42 × 60,647.61
4. Step 4: Simplify right side
   111,633.87x = 9,343,153,678.16
5. Step 5: Solve for x
   x = 9,343,153,678.16/111,633.87
6. Step 6: Final answer
   x = 83,694.61