Finding the Fourth Proportional to 214,113.72, 321,186.51 and 64,342.02

Step by Step Solution

1. Step 1: Write the proportion equation
   214,113.72 : 321,186.51 = 64,342.02 : x
2. Step 2: Convert to fraction form
   214,113.72/321,186.51 = 64,342.02/x
3. Step 3: Cross multiply
   214,113.72x = 321,186.51 × 64,342.02
4. Step 4: Simplify right side
   214,113.72x = 20,665,788,850.15
5. Step 5: Solve for x
   x = 20,665,788,850.15/214,113.72
6. Step 6: Final answer
   x = 96,517.82