Finding the Fourth Proportional to 21,417.82, 32,056.83 and 19,371.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,417.82 : 32,056.83 = 19,371.76 : x
2. Step 2: Convert to fraction form
   21,417.82/32,056.83 = 19,371.76/x
3. Step 3: Cross multiply
   21,417.82x = 32,056.83 × 19,371.76
4. Step 4: Simplify right side
   21,417.82x = 620,997,136.98
5. Step 5: Solve for x
   x = 620,997,136.98/21,417.82
6. Step 6: Final answer
   x = 28,994.42