Finding the Fourth Proportional to 12,105.45, 16,705.98 and 7,068.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.45 : 16,705.98 = 7,068.87 : x
2. Step 2: Convert to fraction form
   12,105.45/16,705.98 = 7,068.87/x
3. Step 3: Cross multiply
   12,105.45x = 16,705.98 × 7,068.87
4. Step 4: Simplify right side
   12,105.45x = 118,092,400.84
5. Step 5: Solve for x
   x = 118,092,400.84/12,105.45
6. Step 6: Final answer
   x = 9,755.31