Finding the Fourth Proportional to 456,189.72, 629,497.41 and 252,212.72

Step by Step Solution

1. Step 1: Write the proportion equation
   456,189.72 : 629,497.41 = 252,212.72 : x
2. Step 2: Convert to fraction form
   456,189.72/629,497.41 = 252,212.72/x
3. Step 3: Cross multiply
   456,189.72x = 629,497.41 × 252,212.72
4. Step 4: Simplify right side
   456,189.72x = 158,767,250,861.57
5. Step 5: Solve for x
   x = 158,767,250,861.57/456,189.72
6. Step 6: Final answer
   x = 348,029.00