Finding the Fourth Proportional to 109,400.48, 164,086.13 and 30,508.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,400.48 : 164,086.13 = 30,508.10 : x
2. Step 2: Convert to fraction form
   109,400.48/164,086.13 = 30,508.10/x
3. Step 3: Cross multiply
   109,400.48x = 164,086.13 × 30,508.10
4. Step 4: Simplify right side
   109,400.48x = 5,005,955,318.49
5. Step 5: Solve for x
   x = 5,005,955,318.49/109,400.48
6. Step 6: Final answer
   x = 45,758.08