Finding the Fourth Proportional to 214,212.96, 321,355.98 and 72,071.82

Step by Step Solution

1. Step 1: Write the proportion equation
   214,212.96 : 321,355.98 = 72,071.82 : x
2. Step 2: Convert to fraction form
   214,212.96/321,355.98 = 72,071.82/x
3. Step 3: Cross multiply
   214,212.96x = 321,355.98 × 72,071.82
4. Step 4: Simplify right side
   214,212.96x = 23,160,710,346.48
5. Step 5: Solve for x
   x = 23,160,710,346.48/214,212.96
6. Step 6: Final answer
   x = 108,120.02