Finding the Fourth Proportional to 214,116.72, 321,191.01 and 64,345.02

Step by Step Solution

1. Step 1: Write the proportion equation
   214,116.72 : 321,191.01 = 64,345.02 : x
2. Step 2: Convert to fraction form
   214,116.72/321,191.01 = 64,345.02/x
3. Step 3: Cross multiply
   214,116.72x = 321,191.01 × 64,345.02
4. Step 4: Simplify right side
   214,116.72x = 20,667,041,962.27
5. Step 5: Solve for x
   x = 20,667,041,962.27/214,116.72
6. Step 6: Final answer
   x = 96,522.32