Finding the Fourth Proportional to 22,780.10, 34,147.04 and 8,736.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,780.10 : 34,147.04 = 8,736.53 : x
2. Step 2: Convert to fraction form
   22,780.10/34,147.04 = 8,736.53/x
3. Step 3: Cross multiply
   22,780.10x = 34,147.04 × 8,736.53
4. Step 4: Simplify right side
   22,780.10x = 298,326,424.95
5. Step 5: Solve for x
   x = 298,326,424.95/22,780.10
6. Step 6: Final answer
   x = 13,095.92