Finding the Fourth Proportional to 456,096.26, 629,430.59 and 302,870.25

Step by Step Solution

1. Step 1: Write the proportion equation
   456,096.26 : 629,430.59 = 302,870.25 : x
2. Step 2: Convert to fraction form
   456,096.26/629,430.59 = 302,870.25/x
3. Step 3: Cross multiply
   456,096.26x = 629,430.59 × 302,870.25
4. Step 4: Simplify right side
   456,096.26x = 190,635,798,636.60
5. Step 5: Solve for x
   x = 190,635,798,636.60/456,096.26
6. Step 6: Final answer
   x = 417,972.73