Finding the Fourth Proportional to 30,498.48, 42,054.66 and 26,484.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,498.48 : 42,054.66 = 26,484.12 : x
2. Step 2: Convert to fraction form
   30,498.48/42,054.66 = 26,484.12/x
3. Step 3: Cross multiply
   30,498.48x = 42,054.66 × 26,484.12
4. Step 4: Simplify right side
   30,498.48x = 1,113,780,662.00
5. Step 5: Solve for x
   x = 1,113,780,662.00/30,498.48
6. Step 6: Final answer
   x = 36,519.22