Finding the Fourth Proportional to 13,823.12, 19,060.83 and 9,339.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,823.12 : 19,060.83 = 9,339.08 : x
2. Step 2: Convert to fraction form
   13,823.12/19,060.83 = 9,339.08/x
3. Step 3: Cross multiply
   13,823.12x = 19,060.83 × 9,339.08
4. Step 4: Simplify right side
   13,823.12x = 178,010,663.89
5. Step 5: Solve for x
   x = 178,010,663.89/13,823.12
6. Step 6: Final answer
   x = 12,877.75