Finding the Fourth Proportional to 110,638.76, 152,693.34 and 67,643.48

Step by Step Solution

1. Step 1: Write the proportion equation
   110,638.76 : 152,693.34 = 67,643.48 : x
2. Step 2: Convert to fraction form
   110,638.76/152,693.34 = 67,643.48/x
3. Step 3: Cross multiply
   110,638.76x = 152,693.34 × 67,643.48
4. Step 4: Simplify right side
   110,638.76x = 10,328,708,890.42
5. Step 5: Solve for x
   x = 10,328,708,890.42/110,638.76
6. Step 6: Final answer
   x = 93,355.25