Finding the Fourth Proportional to 152,613.71, 210,603 and 84,629.60

Step by Step Solution

1. Step 1: Write the proportion equation
   152,613.71 : 210,603 = 84,629.60 : x
2. Step 2: Convert to fraction form
   152,613.71/210,603 = 84,629.60/x
3. Step 3: Cross multiply
   152,613.71x = 210,603 × 84,629.60
4. Step 4: Simplify right side
   152,613.71x = 17,823,247,648.80
5. Step 5: Solve for x
   x = 17,823,247,648.80/152,613.71
6. Step 6: Final answer
   x = 116,786.67