Finding the Fourth Proportional to 116,003.10, 173,659.05 and 69,231.90

Step by Step Solution

1. Step 1: Write the proportion equation
   116,003.10 : 173,659.05 = 69,231.90 : x
2. Step 2: Convert to fraction form
   116,003.10/173,659.05 = 69,231.90/x
3. Step 3: Cross multiply
   116,003.10x = 173,659.05 × 69,231.90
4. Step 4: Simplify right side
   116,003.10x = 12,022,745,983.70
5. Step 5: Solve for x
   x = 12,022,745,983.70/116,003.10
6. Step 6: Final answer
   x = 103,641.59