Finding the Fourth Proportional to 21,360.52, 29,488.98 and 14,299

Step by Step Solution

1. Step 1: Write the proportion equation
   21,360.52 : 29,488.98 = 14,299 : x
2. Step 2: Convert to fraction form
   21,360.52/29,488.98 = 14,299/x
3. Step 3: Cross multiply
   21,360.52x = 29,488.98 × 14,299
4. Step 4: Simplify right side
   21,360.52x = 421,662,925.02
5. Step 5: Solve for x
   x = 421,662,925.02/21,360.52
6. Step 6: Final answer
   x = 19,740.29