Finding the Fourth Proportional to 111,867.50, 154,342.34 and 63,461.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,867.50 : 154,342.34 = 63,461.42 : x
2. Step 2: Convert to fraction form
   111,867.50/154,342.34 = 63,461.42/x
3. Step 3: Cross multiply
   111,867.50x = 154,342.34 × 63,461.42
4. Step 4: Simplify right side
   111,867.50x = 9,794,784,131.07
5. Step 5: Solve for x
   x = 9,794,784,131.07/111,867.50
6. Step 6: Final answer
   x = 87,557.02