Finding the Fourth Proportional to 28,099.52, 42,144.56 and 9,377.84

Step by Step Solution

1. Step 1: Write the proportion equation
   28,099.52 : 42,144.56 = 9,377.84 : x
2. Step 2: Convert to fraction form
   28,099.52/42,144.56 = 9,377.84/x
3. Step 3: Cross multiply
   28,099.52x = 42,144.56 × 9,377.84
4. Step 4: Simplify right side
   28,099.52x = 395,224,940.55
5. Step 5: Solve for x
   x = 395,224,940.55/28,099.52
6. Step 6: Final answer
   x = 14,065.18