Finding the Fourth Proportional to 14,042.07, 21,046.91 and 5,271.39

Step by Step Solution

1. Step 1: Write the proportion equation
   14,042.07 : 21,046.91 = 5,271.39 : x
2. Step 2: Convert to fraction form
   14,042.07/21,046.91 = 5,271.39/x
3. Step 3: Cross multiply
   14,042.07x = 21,046.91 × 5,271.39
4. Step 4: Simplify right side
   14,042.07x = 110,946,444.55
5. Step 5: Solve for x
   x = 110,946,444.55/14,042.07
6. Step 6: Final answer
   x = 7,901.00