Finding the Fourth Proportional to 243,498.37, 363,464.42 and 214,736.82

Step by Step Solution

1. Step 1: Write the proportion equation
   243,498.37 : 363,464.42 = 214,736.82 : x
2. Step 2: Convert to fraction form
   243,498.37/363,464.42 = 214,736.82/x
3. Step 3: Cross multiply
   243,498.37x = 363,464.42 × 214,736.82
4. Step 4: Simplify right side
   243,498.37x = 78,049,193,733.94
5. Step 5: Solve for x
   x = 78,049,193,733.94/243,498.37
6. Step 6: Final answer
   x = 320,532.72