Finding the Fourth Proportional to 109,081.16, 163,603.52 and 30,203.36

Step by Step Solution

1. Step 1: Write the proportion equation
   109,081.16 : 163,603.52 = 30,203.36 : x
2. Step 2: Convert to fraction form
   109,081.16/163,603.52 = 30,203.36/x
3. Step 3: Cross multiply
   109,081.16x = 163,603.52 × 30,203.36
4. Step 4: Simplify right side
   109,081.16x = 4,941,375,860.81
5. Step 5: Solve for x
   x = 4,941,375,860.81/109,081.16
6. Step 6: Final answer
   x = 45,299.99