Finding the Fourth Proportional to 259,730.56, 389,300.54 and 109,877.32

Step by Step Solution

1. Step 1: Write the proportion equation
   259,730.56 : 389,300.54 = 109,877.32 : x
2. Step 2: Convert to fraction form
   259,730.56/389,300.54 = 109,877.32/x
3. Step 3: Cross multiply
   259,730.56x = 389,300.54 × 109,877.32
4. Step 4: Simplify right side
   259,730.56x = 42,775,300,009.75
5. Step 5: Solve for x
   x = 42,775,300,009.75/259,730.56
6. Step 6: Final answer
   x = 164,691.06