Finding the Fourth Proportional to 15,761.07, 21,751.20 and 9,046.71

Step by Step Solution

1. Step 1: Write the proportion equation
   15,761.07 : 21,751.20 = 9,046.71 : x
2. Step 2: Convert to fraction form
   15,761.07/21,751.20 = 9,046.71/x
3. Step 3: Cross multiply
   15,761.07x = 21,751.20 × 9,046.71
4. Step 4: Simplify right side
   15,761.07x = 196,776,798.55
5. Step 5: Solve for x
   x = 196,776,798.55/15,761.07
6. Step 6: Final answer
   x = 12,484.99