Finding the Fourth Proportional to 354,111.77, 531,166.91 and 110,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   354,111.77 : 531,166.91 = 110,971.50 : x
2. Step 2: Convert to fraction form
   354,111.77/531,166.91 = 110,971.50/x
3. Step 3: Cross multiply
   354,111.77x = 531,166.91 × 110,971.50
4. Step 4: Simplify right side
   354,111.77x = 58,944,388,198.21
5. Step 5: Solve for x
   x = 58,944,388,198.21/354,111.77
6. Step 6: Final answer
   x = 166,457.02