Finding the Fourth Proportional to 214,315.52, 321,248.24 and 72,111.42

Step by Step Solution

1. Step 1: Write the proportion equation
   214,315.52 : 321,248.24 = 72,111.42 : x
2. Step 2: Convert to fraction form
   214,315.52/321,248.24 = 72,111.42/x
3. Step 3: Cross multiply
   214,315.52x = 321,248.24 × 72,111.42
4. Step 4: Simplify right side
   214,315.52x = 23,165,666,398.34
5. Step 5: Solve for x
   x = 23,165,666,398.34/214,315.52
6. Step 6: Final answer
   x = 108,091.41