Finding the Fourth Proportional to 13,021.76, 19,536.82 and 4,701.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,021.76 : 19,536.82 = 4,701.72 : x
2. Step 2: Convert to fraction form
   13,021.76/19,536.82 = 4,701.72/x
3. Step 3: Cross multiply
   13,021.76x = 19,536.82 × 4,701.72
4. Step 4: Simplify right side
   13,021.76x = 91,856,657.33
5. Step 5: Solve for x
   x = 91,856,657.33/13,021.76
6. Step 6: Final answer
   x = 7,054.09