Finding the Fourth Proportional to 13,061.18, 18,024.46 and 7,092.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.18 : 18,024.46 = 7,092.80 : x
2. Step 2: Convert to fraction form
   13,061.18/18,024.46 = 7,092.80/x
3. Step 3: Cross multiply
   13,061.18x = 18,024.46 × 7,092.80
4. Step 4: Simplify right side
   13,061.18x = 127,843,889.89
5. Step 5: Solve for x
   x = 127,843,889.89/13,061.18
6. Step 6: Final answer
   x = 9,788.08