Finding the Fourth Proportional to 215,314.18, 297,131.42 and 119,819.24

Step by Step Solution

1. Step 1: Write the proportion equation
   215,314.18 : 297,131.42 = 119,819.24 : x
2. Step 2: Convert to fraction form
   215,314.18/297,131.42 = 119,819.24/x
3. Step 3: Cross multiply
   215,314.18x = 297,131.42 × 119,819.24
4. Step 4: Simplify right side
   215,314.18x = 35,602,060,924.52
5. Step 5: Solve for x
   x = 35,602,060,924.52/215,314.18
6. Step 6: Final answer
   x = 165,349.36