Finding the Fourth Proportional to 109,642.82, 164,451.47 and 30,763.80

Step by Step Solution

1. Step 1: Write the proportion equation
   109,642.82 : 164,451.47 = 30,763.80 : x
2. Step 2: Convert to fraction form
   109,642.82/164,451.47 = 30,763.80/x
3. Step 3: Cross multiply
   109,642.82x = 164,451.47 × 30,763.80
4. Step 4: Simplify right side
   109,642.82x = 5,059,151,978.97
5. Step 5: Solve for x
   x = 5,059,151,978.97/109,642.82
6. Step 6: Final answer
   x = 46,142.12