Finding the Fourth Proportional to 152,706.17, 210,727.40 and 84,722.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,706.17 : 210,727.40 = 84,722.42 : x
2. Step 2: Convert to fraction form
   152,706.17/210,727.40 = 84,722.42/x
3. Step 3: Cross multiply
   152,706.17x = 210,727.40 × 84,722.42
4. Step 4: Simplify right side
   152,706.17x = 17,853,335,288.31
5. Step 5: Solve for x
   x = 17,853,335,288.31/152,706.17
6. Step 6: Final answer
   x = 116,912.99