Finding the Fourth Proportional to 13,008.35, 19,510.54 and 4,243.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.35 : 19,510.54 = 4,243.25 : x
2. Step 2: Convert to fraction form
   13,008.35/19,510.54 = 4,243.25/x
3. Step 3: Cross multiply
   13,008.35x = 19,510.54 × 4,243.25
4. Step 4: Simplify right side
   13,008.35x = 82,788,098.86
5. Step 5: Solve for x
   x = 82,788,098.86/13,008.35
6. Step 6: Final answer
   x = 6,364.23