Finding the Fourth Proportional to 30,584.01, 42,238.02 and 21,048.53

Step by Step Solution

1. Step 1: Write the proportion equation
   30,584.01 : 42,238.02 = 21,048.53 : x
2. Step 2: Convert to fraction form
   30,584.01/42,238.02 = 21,048.53/x
3. Step 3: Cross multiply
   30,584.01x = 42,238.02 × 21,048.53
4. Step 4: Simplify right side
   30,584.01x = 889,048,098.85
5. Step 5: Solve for x
   x = 889,048,098.85/30,584.01
6. Step 6: Final answer
   x = 29,069.05