Finding the Fourth Proportional to 216,003.56, 298,083.72 and 120,510.04

Step by Step Solution

1. Step 1: Write the proportion equation
   216,003.56 : 298,083.72 = 120,510.04 : x
2. Step 2: Convert to fraction form
   216,003.56/298,083.72 = 120,510.04/x
3. Step 3: Cross multiply
   216,003.56x = 298,083.72 × 120,510.04
4. Step 4: Simplify right side
   216,003.56x = 35,922,081,020.55
5. Step 5: Solve for x
   x = 35,922,081,020.55/216,003.56
6. Step 6: Final answer
   x = 166,303.19