Finding the Fourth Proportional to 109,018.62, 163,526.31 and 30,131.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,018.62 : 163,526.31 = 30,131.10 : x
2. Step 2: Convert to fraction form
   109,018.62/163,526.31 = 30,131.10/x
3. Step 3: Cross multiply
   109,018.62x = 163,526.31 × 30,131.10
4. Step 4: Simplify right side
   109,018.62x = 4,927,227,599.24
5. Step 5: Solve for x
   x = 4,927,227,599.24/109,018.62
6. Step 6: Final answer
   x = 45,196.20