Finding the Fourth Proportional to 152,806, 210,870.60 and 84,823.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,806 : 210,870.60 = 84,823.52 : x
2. Step 2: Convert to fraction form
   152,806/210,870.60 = 84,823.52/x
3. Step 3: Cross multiply
   152,806x = 210,870.60 × 84,823.52
4. Step 4: Simplify right side
   152,806x = 17,886,786,556.51
5. Step 5: Solve for x
   x = 17,886,786,556.51/152,806
6. Step 6: Final answer
   x = 117,055.53