Finding the Fourth Proportional to 30,907.01, 42,645.98 and 18,162.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,907.01 : 42,645.98 = 18,162.27 : x
2. Step 2: Convert to fraction form
   30,907.01/42,645.98 = 18,162.27/x
3. Step 3: Cross multiply
   30,907.01x = 42,645.98 × 18,162.27
4. Step 4: Simplify right side
   30,907.01x = 774,547,803.17
5. Step 5: Solve for x
   x = 774,547,803.17/30,907.01
6. Step 6: Final answer
   x = 25,060.59