Finding the Fourth Proportional to 128,510.34, 192,728.52 and 44,267.10

Step by Step Solution

1. Step 1: Write the proportion equation
   128,510.34 : 192,728.52 = 44,267.10 : x
2. Step 2: Convert to fraction form
   128,510.34/192,728.52 = 44,267.10/x
3. Step 3: Cross multiply
   128,510.34x = 192,728.52 × 44,267.10
4. Step 4: Simplify right side
   128,510.34x = 8,531,532,667.69
5. Step 5: Solve for x
   x = 8,531,532,667.69/128,510.34
6. Step 6: Final answer
   x = 66,387.91