Finding the Fourth Proportional to 21,796.38, 32,671.89 and 10,099.98

Step by Step Solution

1. Step 1: Write the proportion equation
   21,796.38 : 32,671.89 = 10,099.98 : x
2. Step 2: Convert to fraction form
   21,796.38/32,671.89 = 10,099.98/x
3. Step 3: Cross multiply
   21,796.38x = 32,671.89 × 10,099.98
4. Step 4: Simplify right side
   21,796.38x = 329,985,435.56
5. Step 5: Solve for x
   x = 329,985,435.56/21,796.38
6. Step 6: Final answer
   x = 15,139.46