Finding the Fourth Proportional to 109,390.56, 164,023.20 and 65,048.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,390.56 : 164,023.20 = 65,048.28 : x
2. Step 2: Convert to fraction form
   109,390.56/164,023.20 = 65,048.28/x
3. Step 3: Cross multiply
   109,390.56x = 164,023.20 × 65,048.28
4. Step 4: Simplify right side
   109,390.56x = 10,669,427,040.10
5. Step 5: Solve for x
   x = 10,669,427,040.10/109,390.56
6. Step 6: Final answer
   x = 97,535.17