Finding the Fourth Proportional to 259,985.82, 389,901.24 and 110,223.71

Step by Step Solution

1. Step 1: Write the proportion equation
   259,985.82 : 389,901.24 = 110,223.71 : x
2. Step 2: Convert to fraction form
   259,985.82/389,901.24 = 110,223.71/x
3. Step 3: Cross multiply
   259,985.82x = 389,901.24 × 110,223.71
4. Step 4: Simplify right side
   259,985.82x = 42,976,359,256.89
5. Step 5: Solve for x
   x = 42,976,359,256.89/259,985.82
6. Step 6: Final answer
   x = 165,302.70