Finding the Fourth Proportional to 109,655.80, 164,488.56 and 30,768.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,655.80 : 164,488.56 = 30,768.28 : x
2. Step 2: Convert to fraction form
   109,655.80/164,488.56 = 30,768.28/x
3. Step 3: Cross multiply
   109,655.80x = 164,488.56 × 30,768.28
4. Step 4: Simplify right side
   109,655.80x = 5,061,030,070.88
5. Step 5: Solve for x
   x = 5,061,030,070.88/109,655.80
6. Step 6: Final answer
   x = 46,153.78