Finding the Fourth Proportional to 111,846.72, 154,354.86 and 64,108.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,846.72 : 154,354.86 = 64,108.02 : x
2. Step 2: Convert to fraction form
   111,846.72/154,354.86 = 64,108.02/x
3. Step 3: Cross multiply
   111,846.72x = 154,354.86 × 64,108.02
4. Step 4: Simplify right side
   111,846.72x = 9,895,384,451.98
5. Step 5: Solve for x
   x = 9,895,384,451.98/111,846.72
6. Step 6: Final answer
   x = 88,472.73