Finding the Fourth Proportional to 104,874.45, 144,811.98 and 85,496.37

Step by Step Solution

1. Step 1: Write the proportion equation
   104,874.45 : 144,811.98 = 85,496.37 : x
2. Step 2: Convert to fraction form
   104,874.45/144,811.98 = 85,496.37/x
3. Step 3: Cross multiply
   104,874.45x = 144,811.98 × 85,496.37
4. Step 4: Simplify right side
   104,874.45x = 12,380,898,622.51
5. Step 5: Solve for x
   x = 12,380,898,622.51/104,874.45
6. Step 6: Final answer
   x = 118,054.48