Finding the Fourth Proportional to 243,499.37, 363,465.91 and 214,737.82

Step by Step Solution

1. Step 1: Write the proportion equation
   243,499.37 : 363,465.91 = 214,737.82 : x
2. Step 2: Convert to fraction form
   243,499.37/363,465.91 = 214,737.82/x
3. Step 3: Cross multiply
   243,499.37x = 363,465.91 × 214,737.82
4. Step 4: Simplify right side
   243,499.37x = 78,049,877,157.72
5. Step 5: Solve for x
   x = 78,049,877,157.72/243,499.37
6. Step 6: Final answer
   x = 320,534.21