Finding the Fourth Proportional to 109,389.24, 164,081.94 and 30,507.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,389.24 : 164,081.94 = 30,507.96 : x
2. Step 2: Convert to fraction form
   109,389.24/164,081.94 = 30,507.96/x
3. Step 3: Cross multiply
   109,389.24x = 164,081.94 × 30,507.96
4. Step 4: Simplify right side
   109,389.24x = 5,005,805,262.24
5. Step 5: Solve for x
   x = 5,005,805,262.24/109,389.24
6. Step 6: Final answer
   x = 45,761.40