Finding the Fourth Proportional to 109,000.62, 163,499.31 and 30,113.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,000.62 : 163,499.31 = 30,113.10 : x
2. Step 2: Convert to fraction form
   109,000.62/163,499.31 = 30,113.10/x
3. Step 3: Cross multiply
   109,000.62x = 163,499.31 × 30,113.10
4. Step 4: Simplify right side
   109,000.62x = 4,923,471,071.96
5. Step 5: Solve for x
   x = 4,923,471,071.96/109,000.62
6. Step 6: Final answer
   x = 45,169.20