Finding the Fourth Proportional to 456,061.68, 629,369.10 and 252,109.35

Step by Step Solution

1. Step 1: Write the proportion equation
   456,061.68 : 629,369.10 = 252,109.35 : x
2. Step 2: Convert to fraction form
   456,061.68/629,369.10 = 252,109.35/x
3. Step 3: Cross multiply
   456,061.68x = 629,369.10 × 252,109.35
4. Step 4: Simplify right side
   456,061.68x = 158,669,834,711.09
5. Step 5: Solve for x
   x = 158,669,834,711.09/456,061.68
6. Step 6: Final answer
   x = 347,913.10