Finding the Fourth Proportional to 214,924.30, 322,389.15 and 65,166.10

Step by Step Solution

1. Step 1: Write the proportion equation
   214,924.30 : 322,389.15 = 65,166.10 : x
2. Step 2: Convert to fraction form
   214,924.30/322,389.15 = 65,166.10/x
3. Step 3: Cross multiply
   214,924.30x = 322,389.15 × 65,166.10
4. Step 4: Simplify right side
   214,924.30x = 21,008,843,587.82
5. Step 5: Solve for x
   x = 21,008,843,587.82/214,924.30
6. Step 6: Final answer
   x = 97,749.97