Finding the Fourth Proportional to 213,978.89, 295,287.25 and 118,483.53

Step by Step Solution

1. Step 1: Write the proportion equation
   213,978.89 : 295,287.25 = 118,483.53 : x
2. Step 2: Convert to fraction form
   213,978.89/295,287.25 = 118,483.53/x
3. Step 3: Cross multiply
   213,978.89x = 295,287.25 × 118,483.53
4. Step 4: Simplify right side
   213,978.89x = 34,986,675,743.99
5. Step 5: Solve for x
   x = 34,986,675,743.99/213,978.89
6. Step 6: Final answer
   x = 163,505.27