Finding the Fourth Proportional to 219,086.58, 302,353.59 and 123,591.23

Step by Step Solution

1. Step 1: Write the proportion equation
   219,086.58 : 302,353.59 = 123,591.23 : x
2. Step 2: Convert to fraction form
   219,086.58/302,353.59 = 123,591.23/x
3. Step 3: Cross multiply
   219,086.58x = 302,353.59 × 123,591.23
4. Step 4: Simplify right side
   219,086.58x = 37,368,252,083.02
5. Step 5: Solve for x
   x = 37,368,252,083.02/219,086.58
6. Step 6: Final answer
   x = 170,563.86