Finding the Fourth Proportional to 152,910.15, 211,018.83 and 84,933.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,910.15 : 211,018.83 = 84,933.42 : x
2. Step 2: Convert to fraction form
   152,910.15/211,018.83 = 84,933.42/x
3. Step 3: Cross multiply
   152,910.15x = 211,018.83 × 84,933.42
4. Step 4: Simplify right side
   152,910.15x = 17,922,550,916.30
5. Step 5: Solve for x
   x = 17,922,550,916.30/152,910.15
6. Step 6: Final answer
   x = 117,209.69