Finding the Fourth Proportional to 109,648.55, 164,477.69 and 30,761.03

Step by Step Solution

1. Step 1: Write the proportion equation
   109,648.55 : 164,477.69 = 30,761.03 : x
2. Step 2: Convert to fraction form
   109,648.55/164,477.69 = 30,761.03/x
3. Step 3: Cross multiply
   109,648.55x = 164,477.69 × 30,761.03
4. Step 4: Simplify right side
   109,648.55x = 5,059,503,002.62
5. Step 5: Solve for x
   x = 5,059,503,002.62/109,648.55
6. Step 6: Final answer
   x = 46,142.91