Finding the Fourth Proportional to 152,571.39, 210,570.32 and 84,603.48

Step by Step Solution

1. Step 1: Write the proportion equation
   152,571.39 : 210,570.32 = 84,603.48 : x
2. Step 2: Convert to fraction form
   152,571.39/210,570.32 = 84,603.48/x
3. Step 3: Cross multiply
   152,571.39x = 210,570.32 × 84,603.48
4. Step 4: Simplify right side
   152,571.39x = 17,814,981,433.70
5. Step 5: Solve for x
   x = 17,814,981,433.70/152,571.39
6. Step 6: Final answer
   x = 116,764.89