Finding the Fourth Proportional to 13,020.42, 19,536.69 and 4,703.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.42 : 19,536.69 = 4,703.82 : x
2. Step 2: Convert to fraction form
   13,020.42/19,536.69 = 4,703.82/x
3. Step 3: Cross multiply
   13,020.42x = 19,536.69 × 4,703.82
4. Step 4: Simplify right side
   13,020.42x = 91,897,073.16
5. Step 5: Solve for x
   x = 91,897,073.16/13,020.42
6. Step 6: Final answer
   x = 7,057.92