Finding the Fourth Proportional to 152,767.27, 210,844.17 and 89,105.07

Step by Step Solution

1. Step 1: Write the proportion equation
   152,767.27 : 210,844.17 = 89,105.07 : x
2. Step 2: Convert to fraction form
   152,767.27/210,844.17 = 89,105.07/x
3. Step 3: Cross multiply
   152,767.27x = 210,844.17 × 89,105.07
4. Step 4: Simplify right side
   152,767.27x = 18,787,284,526.94
5. Step 5: Solve for x
   x = 18,787,284,526.94/152,767.27
6. Step 6: Final answer
   x = 122,979.78