Finding the Fourth Proportional to 82,709.10, 114,084.72 and 48,688.90

Step by Step Solution

1. Step 1: Write the proportion equation
   82,709.10 : 114,084.72 = 48,688.90 : x
2. Step 2: Convert to fraction form
   82,709.10/114,084.72 = 48,688.90/x
3. Step 3: Cross multiply
   82,709.10x = 114,084.72 × 48,688.90
4. Step 4: Simplify right side
   82,709.10x = 5,554,659,238.40
5. Step 5: Solve for x
   x = 5,554,659,238.40/82,709.10
6. Step 6: Final answer
   x = 67,158.99