Finding the Fourth Proportional to 219,018.72, 302,245.02 and 123,524.82

Step by Step Solution

1. Step 1: Write the proportion equation
   219,018.72 : 302,245.02 = 123,524.82 : x
2. Step 2: Convert to fraction form
   219,018.72/302,245.02 = 123,524.82/x
3. Step 3: Cross multiply
   219,018.72x = 302,245.02 × 123,524.82
4. Step 4: Simplify right side
   219,018.72x = 37,334,761,691.40
5. Step 5: Solve for x
   x = 37,334,761,691.40/219,018.72
6. Step 6: Final answer
   x = 170,463.79