Finding the Fourth Proportional to 109,131.91, 163,697.56 and 30,246.21

Step by Step Solution

1. Step 1: Write the proportion equation
   109,131.91 : 163,697.56 = 30,246.21 : x
2. Step 2: Convert to fraction form
   109,131.91/163,697.56 = 30,246.21/x
3. Step 3: Cross multiply
   109,131.91x = 163,697.56 × 30,246.21
4. Step 4: Simplify right side
   109,131.91x = 4,951,230,700.63
5. Step 5: Solve for x
   x = 4,951,230,700.63/109,131.91
6. Step 6: Final answer
   x = 45,369.23