Finding the Fourth Proportional to 21,880.91, 30,216.38 and 17,437.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,880.91 : 30,216.38 = 17,437.37 : x
2. Step 2: Convert to fraction form
   21,880.91/30,216.38 = 17,437.37/x
3. Step 3: Cross multiply
   21,880.91x = 30,216.38 × 17,437.37
4. Step 4: Simplify right side
   21,880.91x = 526,893,959.85
5. Step 5: Solve for x
   x = 526,893,959.85/21,880.91
6. Step 6: Final answer
   x = 24,080.07