Finding the Fourth Proportional to 152,329.34, 210,214.32 and 85,261.34

Step by Step Solution

1. Step 1: Write the proportion equation
   152,329.34 : 210,214.32 = 85,261.34 : x
2. Step 2: Convert to fraction form
   152,329.34/210,214.32 = 85,261.34/x
3. Step 3: Cross multiply
   152,329.34x = 210,214.32 × 85,261.34
4. Step 4: Simplify right side
   152,329.34x = 17,923,154,610.39
5. Step 5: Solve for x
   x = 17,923,154,610.39/152,329.34
6. Step 6: Final answer
   x = 117,660.55