Finding the Fourth Proportional to 152,550.42, 210,519 and 85,482.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,550.42 : 210,519 = 85,482.42 : x
2. Step 2: Convert to fraction form
   152,550.42/210,519 = 85,482.42/x
3. Step 3: Cross multiply
   152,550.42x = 210,519 × 85,482.42
4. Step 4: Simplify right side
   152,550.42x = 17,995,673,575.98
5. Step 5: Solve for x
   x = 17,995,673,575.98/152,550.42
6. Step 6: Final answer
   x = 117,965.41