Finding the Fourth Proportional to 152,010.56, 209,774.24 and 84,942.56

Step by Step Solution

1. Step 1: Write the proportion equation
   152,010.56 : 209,774.24 = 84,942.56 : x
2. Step 2: Convert to fraction form
   152,010.56/209,774.24 = 84,942.56/x
3. Step 3: Cross multiply
   152,010.56x = 209,774.24 × 84,942.56
4. Step 4: Simplify right side
   152,010.56x = 17,818,760,967.65
5. Step 5: Solve for x
   x = 17,818,760,967.65/152,010.56
6. Step 6: Final answer
   x = 117,220.55