Finding the Fourth Proportional to 30,573.56, 42,189.98 and 17,997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,573.56 : 42,189.98 = 17,997.50 : x
2. Step 2: Convert to fraction form
   30,573.56/42,189.98 = 17,997.50/x
3. Step 3: Cross multiply
   30,573.56x = 42,189.98 × 17,997.50
4. Step 4: Simplify right side
   30,573.56x = 759,314,165.05
5. Step 5: Solve for x
   x = 759,314,165.05/30,573.56
6. Step 6: Final answer
   x = 24,835.65