Finding the Fourth Proportional to 109,817.10, 164,752.65 and 30,930.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,817.10 : 164,752.65 = 30,930.30 : x
2. Step 2: Convert to fraction form
   109,817.10/164,752.65 = 30,930.30/x
3. Step 3: Cross multiply
   109,817.10x = 164,752.65 × 30,930.30
4. Step 4: Simplify right side
   109,817.10x = 5,095,848,890.30
5. Step 5: Solve for x
   x = 5,095,848,890.30/109,817.10
6. Step 6: Final answer
   x = 46,403.05