Finding the Fourth Proportional to 111,787.98, 167,682.33 and 70,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,787.98 : 167,682.33 = 70,147.50 : x
2. Step 2: Convert to fraction form
   111,787.98/167,682.33 = 70,147.50/x
3. Step 3: Cross multiply
   111,787.98x = 167,682.33 × 70,147.50
4. Step 4: Simplify right side
   111,787.98x = 11,762,496,243.68
5. Step 5: Solve for x
   x = 11,762,496,243.68/111,787.98
6. Step 6: Final answer
   x = 105,221.48