Finding the Fourth Proportional to 152,300.94, 210,286.17 and 122,251.56

Step by Step Solution

1. Step 1: Write the proportion equation
   152,300.94 : 210,286.17 = 122,251.56 : x
2. Step 2: Convert to fraction form
   152,300.94/210,286.17 = 122,251.56/x
3. Step 3: Cross multiply
   152,300.94x = 210,286.17 × 122,251.56
4. Step 4: Simplify right side
   152,300.94x = 25,707,812,328.93
5. Step 5: Solve for x
   x = 25,707,812,328.93/152,300.94
6. Step 6: Final answer
   x = 168,796.15