Finding the Fourth Proportional to 428,071.83, 590,716.27 and 234,469.53

Step by Step Solution

1. Step 1: Write the proportion equation
   428,071.83 : 590,716.27 = 234,469.53 : x
2. Step 2: Convert to fraction form
   428,071.83/590,716.27 = 234,469.53/x
3. Step 3: Cross multiply
   428,071.83x = 590,716.27 × 234,469.53
4. Step 4: Simplify right side
   428,071.83x = 138,504,966,483.34
5. Step 5: Solve for x
   x = 138,504,966,483.34/428,071.83
6. Step 6: Final answer
   x = 323,555.44