Finding the Fourth Proportional to 13,323.72, 19,985.76 and 5,002.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,323.72 : 19,985.76 = 5,002.20 : x
2. Step 2: Convert to fraction form
   13,323.72/19,985.76 = 5,002.20/x
3. Step 3: Cross multiply
   13,323.72x = 19,985.76 × 5,002.20
4. Step 4: Simplify right side
   13,323.72x = 99,972,768.67
5. Step 5: Solve for x
   x = 99,972,768.67/13,323.72
6. Step 6: Final answer
   x = 7,503.37