Finding the Fourth Proportional to 152,608.16, 210,599.72 and 84,629.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,608.16 : 210,599.72 = 84,629.96 : x
2. Step 2: Convert to fraction form
   152,608.16/210,599.72 = 84,629.96/x
3. Step 3: Cross multiply
   152,608.16x = 210,599.72 × 84,629.96
4. Step 4: Simplify right side
   152,608.16x = 17,823,045,879.61
5. Step 5: Solve for x
   x = 17,823,045,879.61/152,608.16
6. Step 6: Final answer
   x = 116,789.60