Finding the Fourth Proportional to 111,846.18, 154,351.37 and 64,108.53

Step by Step Solution

1. Step 1: Write the proportion equation
   111,846.18 : 154,351.37 = 64,108.53 : x
2. Step 2: Convert to fraction form
   111,846.18/154,351.37 = 64,108.53/x
3. Step 3: Cross multiply
   111,846.18x = 154,351.37 × 64,108.53
4. Step 4: Simplify right side
   111,846.18x = 9,895,239,113.64
5. Step 5: Solve for x
   x = 9,895,239,113.64/111,846.18
6. Step 6: Final answer
   x = 88,471.86