Finding the Fourth Proportional to 13,323.63, 19,985.51 and 3,462.21

Step by Step Solution

1. Step 1: Write the proportion equation
   13,323.63 : 19,985.51 = 3,462.21 : x
2. Step 2: Convert to fraction form
   13,323.63/19,985.51 = 3,462.21/x
3. Step 3: Cross multiply
   13,323.63x = 19,985.51 × 3,462.21
4. Step 4: Simplify right side
   13,323.63x = 69,194,015.27
5. Step 5: Solve for x
   x = 69,194,015.27/13,323.63
6. Step 6: Final answer
   x = 5,193.33