Finding the Fourth Proportional to 28,061.26, 42,093.74 and 9,340.54

Step by Step Solution

1. Step 1: Write the proportion equation
   28,061.26 : 42,093.74 = 9,340.54 : x
2. Step 2: Convert to fraction form
   28,061.26/42,093.74 = 9,340.54/x
3. Step 3: Cross multiply
   28,061.26x = 42,093.74 × 9,340.54
4. Step 4: Simplify right side
   28,061.26x = 393,178,180.34
5. Step 5: Solve for x
   x = 393,178,180.34/28,061.26
6. Step 6: Final answer
   x = 14,011.42