Finding the Fourth Proportional to 152,019.05, 209,786.36 and 84,951.05

Step by Step Solution

1. Step 1: Write the proportion equation
   152,019.05 : 209,786.36 = 84,951.05 : x
2. Step 2: Convert to fraction form
   152,019.05/209,786.36 = 84,951.05/x
3. Step 3: Cross multiply
   152,019.05x = 209,786.36 × 84,951.05
4. Step 4: Simplify right side
   152,019.05x = 17,821,570,083.99
5. Step 5: Solve for x
   x = 17,821,570,083.99/152,019.05
6. Step 6: Final answer
   x = 117,232.48