Finding the Fourth Proportional to 30,468.06, 42,052.73 and 18,528.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30,468.06 : 42,052.73 = 18,528.89 : x
2. Step 2: Convert to fraction form
   30,468.06/42,052.73 = 18,528.89/x
3. Step 3: Cross multiply
   30,468.06x = 42,052.73 × 18,528.89
4. Step 4: Simplify right side
   30,468.06x = 779,190,105.46
5. Step 5: Solve for x
   x = 779,190,105.46/30,468.06
6. Step 6: Final answer
   x = 25,574.00