Finding the Fourth Proportional to 28,071.63, 42,114.16 and 9,351.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,071.63 : 42,114.16 = 9,351.82 : x
2. Step 2: Convert to fraction form
   28,071.63/42,114.16 = 9,351.82/x
3. Step 3: Cross multiply
   28,071.63x = 42,114.16 × 9,351.82
4. Step 4: Simplify right side
   28,071.63x = 393,844,043.77
5. Step 5: Solve for x
   x = 393,844,043.77/28,071.63
6. Step 6: Final answer
   x = 14,029.97