Finding the Fourth Proportional to 152,849.33, 210,928.06 and 84,864.55

Step by Step Solution

1. Step 1: Write the proportion equation
   152,849.33 : 210,928.06 = 84,864.55 : x
2. Step 2: Convert to fraction form
   152,849.33/210,928.06 = 84,864.55/x
3. Step 3: Cross multiply
   152,849.33x = 210,928.06 × 84,864.55
4. Step 4: Simplify right side
   152,849.33x = 17,900,315,757.51
5. Step 5: Solve for x
   x = 17,900,315,757.51/152,849.33
6. Step 6: Final answer
   x = 117,110.86