Finding the Fourth Proportional to 297,072.10, 445,411.35 and 164,016.10

Step by Step Solution

1. Step 1: Write the proportion equation
   297,072.10 : 445,411.35 = 164,016.10 : x
2. Step 2: Convert to fraction form
   297,072.10/445,411.35 = 164,016.10/x
3. Step 3: Cross multiply
   297,072.10x = 445,411.35 × 164,016.10
4. Step 4: Simplify right side
   297,072.10x = 73,054,632,522.74
5. Step 5: Solve for x
   x = 73,054,632,522.74/297,072.10
6. Step 6: Final answer
   x = 245,915.50