Finding the Fourth Proportional to 13,019.83, 19,536.63 and 7,100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.83 : 19,536.63 = 7,100.98 : x
2. Step 2: Convert to fraction form
   13,019.83/19,536.63 = 7,100.98/x
3. Step 3: Cross multiply
   13,019.83x = 19,536.63 × 7,100.98
4. Step 4: Simplify right side
   13,019.83x = 138,729,218.90
5. Step 5: Solve for x
   x = 138,729,218.90/13,019.83
6. Step 6: Final answer
   x = 10,655.23