Finding the Fourth Proportional to 109,389.06, 164,020.95 and 65,046.78

Step by Step Solution

1. Step 1: Write the proportion equation
   109,389.06 : 164,020.95 = 65,046.78 : x
2. Step 2: Convert to fraction form
   109,389.06/164,020.95 = 65,046.78/x
3. Step 3: Cross multiply
   109,389.06x = 164,020.95 × 65,046.78
4. Step 4: Simplify right side
   109,389.06x = 10,669,034,650.04
5. Step 5: Solve for x
   x = 10,669,034,650.04/109,389.06
6. Step 6: Final answer
   x = 97,532.92