Finding the Fourth Proportional to 114,981.55, 158,674.30 and 64,680.55

Step by Step Solution

1. Step 1: Write the proportion equation
   114,981.55 : 158,674.30 = 64,680.55 : x
2. Step 2: Convert to fraction form
   114,981.55/158,674.30 = 64,680.55/x
3. Step 3: Cross multiply
   114,981.55x = 158,674.30 × 64,680.55
4. Step 4: Simplify right side
   114,981.55x = 10,263,140,994.87
5. Step 5: Solve for x
   x = 10,263,140,994.87/114,981.55
6. Step 6: Final answer
   x = 89,259.02