Finding the Fourth Proportional to 215,969.98, 298,036.54 and 119,174.72

Step by Step Solution

1. Step 1: Write the proportion equation
   215,969.98 : 298,036.54 = 119,174.72 : x
2. Step 2: Convert to fraction form
   215,969.98/298,036.54 = 119,174.72/x
3. Step 3: Cross multiply
   215,969.98x = 298,036.54 × 119,174.72
4. Step 4: Simplify right side
   215,969.98x = 35,518,421,651.42
5. Step 5: Solve for x
   x = 35,518,421,651.42/215,969.98
6. Step 6: Final answer
   x = 164,460.00