Finding the Fourth Proportional to 409,499.54, 565,111.25 and 237,519.32

Step by Step Solution

1. Step 1: Write the proportion equation
   409,499.54 : 565,111.25 = 237,519.32 : x
2. Step 2: Convert to fraction form
   409,499.54/565,111.25 = 237,519.32/x
3. Step 3: Cross multiply
   409,499.54x = 565,111.25 × 237,519.32
4. Step 4: Simplify right side
   409,499.54x = 134,224,839,824.35
5. Step 5: Solve for x
   x = 134,224,839,824.35/409,499.54
6. Step 6: Final answer
   x = 327,777.75