Finding the Fourth Proportional to 152,065.65, 209,841.59 and 84,077.29

Step by Step Solution

1. Step 1: Write the proportion equation
   152,065.65 : 209,841.59 = 84,077.29 : x
2. Step 2: Convert to fraction form
   152,065.65/209,841.59 = 84,077.29/x
3. Step 3: Cross multiply
   152,065.65x = 209,841.59 × 84,077.29
4. Step 4: Simplify right side
   152,065.65x = 17,642,912,216.05
5. Step 5: Solve for x
   x = 17,642,912,216.05/152,065.65
6. Step 6: Final answer
   x = 116,021.68