Finding the Fourth Proportional to 520,577.10, 718,250.72 and 327,005.72

Step by Step Solution

1. Step 1: Write the proportion equation
   520,577.10 : 718,250.72 = 327,005.72 : x
2. Step 2: Convert to fraction form
   520,577.10/718,250.72 = 327,005.72/x
3. Step 3: Cross multiply
   520,577.10x = 718,250.72 × 327,005.72
4. Step 4: Simplify right side
   520,577.10x = 234,872,093,834.12
5. Step 5: Solve for x
   x = 234,872,093,834.12/520,577.10
6. Step 6: Final answer
   x = 451,176.38