Finding the Fourth Proportional to 21,124.08, 29,150.82 and 11,692.71

Step by Step Solution

1. Step 1: Write the proportion equation
   21,124.08 : 29,150.82 = 11,692.71 : x
2. Step 2: Convert to fraction form
   21,124.08/29,150.82 = 11,692.71/x
3. Step 3: Cross multiply
   21,124.08x = 29,150.82 × 11,692.71
4. Step 4: Simplify right side
   21,124.08x = 340,852,084.52
5. Step 5: Solve for x
   x = 340,852,084.52/21,124.08
6. Step 6: Final answer
   x = 16,135.71