Finding the Fourth Proportional to 215,978.27, 297,911.24 and 131,095.34

Step by Step Solution

1. Step 1: Write the proportion equation
   215,978.27 : 297,911.24 = 131,095.34 : x
2. Step 2: Convert to fraction form
   215,978.27/297,911.24 = 131,095.34/x
3. Step 3: Cross multiply
   215,978.27x = 297,911.24 × 131,095.34
4. Step 4: Simplify right side
   215,978.27x = 39,054,773,808.07
5. Step 5: Solve for x
   x = 39,054,773,808.07/215,978.27
6. Step 6: Final answer
   x = 180,827.33