Finding the Fourth Proportional to 152,186.50, 210,017.61 and 84,206.33

Step by Step Solution

1. Step 1: Write the proportion equation
   152,186.50 : 210,017.61 = 84,206.33 : x
2. Step 2: Convert to fraction form
   152,186.50/210,017.61 = 84,206.33/x
3. Step 3: Cross multiply
   152,186.50x = 210,017.61 × 84,206.33
4. Step 4: Simplify right side
   152,186.50x = 17,684,813,092.30
5. Step 5: Solve for x
   x = 17,684,813,092.30/152,186.50
6. Step 6: Final answer
   x = 116,204.88