Finding the Fourth Proportional to 214,173.72, 321,276.51 and 64,402.02

Step by Step Solution

1. Step 1: Write the proportion equation
   214,173.72 : 321,276.51 = 64,402.02 : x
2. Step 2: Convert to fraction form
   214,173.72/321,276.51 = 64,402.02/x
3. Step 3: Cross multiply
   214,173.72x = 321,276.51 × 64,402.02
4. Step 4: Simplify right side
   214,173.72x = 20,690,856,222.55
5. Step 5: Solve for x
   x = 20,690,856,222.55/214,173.72
6. Step 6: Final answer
   x = 96,607.82