Finding the Fourth Proportional to 13,323.35, 19,971.25 and 4,997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,323.35 : 19,971.25 = 4,997.50 : x
2. Step 2: Convert to fraction form
   13,323.35/19,971.25 = 4,997.50/x
3. Step 3: Cross multiply
   13,323.35x = 19,971.25 × 4,997.50
4. Step 4: Simplify right side
   13,323.35x = 99,806,321.88
5. Step 5: Solve for x
   x = 99,806,321.88/13,323.35
6. Step 6: Final answer
   x = 7,491.08