Finding the Fourth Proportional to 111,861.34, 154,390.86 and 63,464.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,861.34 : 154,390.86 = 63,464.24 : x
2. Step 2: Convert to fraction form
   111,861.34/154,390.86 = 63,464.24/x
3. Step 3: Cross multiply
   111,861.34x = 154,390.86 × 63,464.24
4. Step 4: Simplify right side
   111,861.34x = 9,798,298,978.82
5. Step 5: Solve for x
   x = 9,798,298,978.82/111,861.34
6. Step 6: Final answer
   x = 87,593.26