Finding the Fourth Proportional to 111,847.32, 154,331.37 and 64,091.79

Step by Step Solution

1. Step 1: Write the proportion equation
   111,847.32 : 154,331.37 = 64,091.79 : x
2. Step 2: Convert to fraction form
   111,847.32/154,331.37 = 64,091.79/x
3. Step 3: Cross multiply
   111,847.32x = 154,331.37 × 64,091.79
4. Step 4: Simplify right side
   111,847.32x = 9,891,373,756.45
5. Step 5: Solve for x
   x = 9,891,373,756.45/111,847.32
6. Step 6: Final answer
   x = 88,436.39