Finding the Fourth Proportional to 219,119.98, 302,399.40 and 123,591.82

Step by Step Solution

1. Step 1: Write the proportion equation
   219,119.98 : 302,399.40 = 123,591.82 : x
2. Step 2: Convert to fraction form
   219,119.98/302,399.40 = 123,591.82/x
3. Step 3: Cross multiply
   219,119.98x = 302,399.40 × 123,591.82
4. Step 4: Simplify right side
   219,119.98x = 37,374,092,212.91
5. Step 5: Solve for x
   x = 37,374,092,212.91/219,119.98
6. Step 6: Final answer
   x = 170,564.51