Finding the Fourth Proportional to 28,196.39, 42,298.25 and 9,468.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,196.39 : 42,298.25 = 9,468.38 : x
2. Step 2: Convert to fraction form
   28,196.39/42,298.25 = 9,468.38/x
3. Step 3: Cross multiply
   28,196.39x = 42,298.25 × 9,468.38
4. Step 4: Simplify right side
   28,196.39x = 400,495,962.74
5. Step 5: Solve for x
   x = 400,495,962.74/28,196.39
6. Step 6: Final answer
   x = 14,203.80