Finding the Fourth Proportional to 152,765.27, 210,841.41 and 89,103.07

Step by Step Solution

1. Step 1: Write the proportion equation
   152,765.27 : 210,841.41 = 89,103.07 : x
2. Step 2: Convert to fraction form
   152,765.27/210,841.41 = 89,103.07/x
3. Step 3: Cross multiply
   152,765.27x = 210,841.41 × 89,103.07
4. Step 4: Simplify right side
   152,765.27x = 18,786,615,859.92
5. Step 5: Solve for x
   x = 18,786,615,859.92/152,765.27
6. Step 6: Final answer
   x = 122,977.01