Finding the Fourth Proportional to 437,074.72, 603,181.72 and 243,482.20

Step by Step Solution

1. Step 1: Write the proportion equation
   437,074.72 : 603,181.72 = 243,482.20 : x
2. Step 2: Convert to fraction form
   437,074.72/603,181.72 = 243,482.20/x
3. Step 3: Cross multiply
   437,074.72x = 603,181.72 × 243,482.20
4. Step 4: Simplify right side
   437,074.72x = 146,864,012,185.38
5. Step 5: Solve for x
   x = 146,864,012,185.38/437,074.72
6. Step 6: Final answer
   x = 336,015.80