Finding the Fourth Proportional to 107,081.56, 147,771.30 and 66,792.52

Step by Step Solution

1. Step 1: Write the proportion equation
   107,081.56 : 147,771.30 = 66,792.52 : x
2. Step 2: Convert to fraction form
   107,081.56/147,771.30 = 66,792.52/x
3. Step 3: Cross multiply
   107,081.56x = 147,771.30 × 66,792.52
4. Step 4: Simplify right side
   107,081.56x = 9,870,017,510.68
5. Step 5: Solve for x
   x = 9,870,017,510.68/107,081.56
6. Step 6: Final answer
   x = 92,172.90