Finding the Fourth Proportional to 406,001.30, 609,063.42 and 294,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   406,001.30 : 609,063.42 = 294,522.72 : x
2. Step 2: Convert to fraction form
   406,001.30/609,063.42 = 294,522.72/x
3. Step 3: Cross multiply
   406,001.30x = 609,063.42 × 294,522.72
4. Step 4: Simplify right side
   406,001.30x = 179,383,015,110.90
5. Step 5: Solve for x
   x = 179,383,015,110.90/406,001.30
6. Step 6: Final answer
   x = 441,828.67