Finding the Fourth Proportional to 114,651.72, 171,735.30 and 72,510.12

Step by Step Solution

1. Step 1: Write the proportion equation
   114,651.72 : 171,735.30 = 72,510.12 : x
2. Step 2: Convert to fraction form
   114,651.72/171,735.30 = 72,510.12/x
3. Step 3: Cross multiply
   114,651.72x = 171,735.30 × 72,510.12
4. Step 4: Simplify right side
   114,651.72x = 12,452,547,211.24
5. Step 5: Solve for x
   x = 12,452,547,211.24/114,651.72
6. Step 6: Final answer
   x = 108,611.95