Finding the Fourth Proportional to 111,847.72, 154,356.24 and 64,109.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,847.72 : 154,356.24 = 64,109.02 : x
2. Step 2: Convert to fraction form
   111,847.72/154,356.24 = 64,109.02/x
3. Step 3: Cross multiply
   111,847.72x = 154,356.24 × 64,109.02
4. Step 4: Simplify right side
   111,847.72x = 9,895,627,277.28
5. Step 5: Solve for x
   x = 9,895,627,277.28/111,847.72
6. Step 6: Final answer
   x = 88,474.11