Finding the Fourth Proportional to 259,404.56, 358,058.06 and 152,009.19

Step by Step Solution

1. Step 1: Write the proportion equation
   259,404.56 : 358,058.06 = 152,009.19 : x
2. Step 2: Convert to fraction form
   259,404.56/358,058.06 = 152,009.19/x
3. Step 3: Cross multiply
   259,404.56x = 358,058.06 × 152,009.19
4. Step 4: Simplify right side
   259,404.56x = 54,428,115,673.57
5. Step 5: Solve for x
   x = 54,428,115,673.57/259,404.56
6. Step 6: Final answer
   x = 209,819.43