Finding the Fourth Proportional to 259,600.62, 389,400.89 and 109,802.01

Step by Step Solution

1. Step 1: Write the proportion equation
   259,600.62 : 389,400.89 = 109,802.01 : x
2. Step 2: Convert to fraction form
   259,600.62/389,400.89 = 109,802.01/x
3. Step 3: Cross multiply
   259,600.62x = 389,400.89 × 109,802.01
4. Step 4: Simplify right side
   259,600.62x = 42,756,999,868.78
5. Step 5: Solve for x
   x = 42,756,999,868.78/259,600.62
6. Step 6: Final answer
   x = 164,703.00