Finding the Fourth Proportional to 110,258.72, 152,172.48 and 79,730.96

Step by Step Solution

1. Step 1: Write the proportion equation
   110,258.72 : 152,172.48 = 79,730.96 : x
2. Step 2: Convert to fraction form
   110,258.72/152,172.48 = 79,730.96/x
3. Step 3: Cross multiply
   110,258.72x = 152,172.48 × 79,730.96
4. Step 4: Simplify right side
   110,258.72x = 12,132,857,915.98
5. Step 5: Solve for x
   x = 12,132,857,915.98/110,258.72
6. Step 6: Final answer
   x = 110,039.89