Finding the Fourth Proportional to 111,815.24, 154,327.06 and 64,100.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,815.24 : 154,327.06 = 64,100.60 : x
2. Step 2: Convert to fraction form
   111,815.24/154,327.06 = 64,100.60/x
3. Step 3: Cross multiply
   111,815.24x = 154,327.06 × 64,100.60
4. Step 4: Simplify right side
   111,815.24x = 9,892,457,142.24
5. Step 5: Solve for x
   x = 9,892,457,142.24/111,815.24
6. Step 6: Final answer
   x = 88,471.46