Finding the Fourth Proportional to 13,015.83, 19,530.63 and 7,096.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.83 : 19,530.63 = 7,096.98 : x
2. Step 2: Convert to fraction form
   13,015.83/19,530.63 = 7,096.98/x
3. Step 3: Cross multiply
   13,015.83x = 19,530.63 × 7,096.98
4. Step 4: Simplify right side
   13,015.83x = 138,608,490.50
5. Step 5: Solve for x
   x = 138,608,490.50/13,015.83
6. Step 6: Final answer
   x = 10,649.22