Finding the Fourth Proportional to 214,908.30, 322,365.15 and 65,150.10

Step by Step Solution

1. Step 1: Write the proportion equation
   214,908.30 : 322,365.15 = 65,150.10 : x
2. Step 2: Convert to fraction form
   214,908.30/322,365.15 = 65,150.10/x
3. Step 3: Cross multiply
   214,908.30x = 322,365.15 × 65,150.10
4. Step 4: Simplify right side
   214,908.30x = 21,002,121,759.02
5. Step 5: Solve for x
   x = 21,002,121,759.02/214,908.30
6. Step 6: Final answer
   x = 97,725.97