Finding the Fourth Proportional to 113,380.50, 156,465.18 and 63,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,380.50 : 156,465.18 = 63,079.50 : x
2. Step 2: Convert to fraction form
   113,380.50/156,465.18 = 63,079.50/x
3. Step 3: Cross multiply
   113,380.50x = 156,465.18 × 63,079.50
4. Step 4: Simplify right side
   113,380.50x = 9,869,745,321.81
5. Step 5: Solve for x
   x = 9,869,745,321.81/113,380.50
6. Step 6: Final answer
   x = 87,049.76