Finding the Fourth Proportional to 152,632.50, 210,625.50 and 84,644.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,632.50 : 210,625.50 = 84,644.10 : x
2. Step 2: Convert to fraction form
   152,632.50/210,625.50 = 84,644.10/x
3. Step 3: Cross multiply
   152,632.50x = 210,625.50 × 84,644.10
4. Step 4: Simplify right side
   152,632.50x = 17,828,205,884.55
5. Step 5: Solve for x
   x = 17,828,205,884.55/152,632.50
6. Step 6: Final answer
   x = 116,804.78