Finding the Fourth Proportional to 13,298.36, 19,930.58 and 7,061.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,298.36 : 19,930.58 = 7,061.36 : x
2. Step 2: Convert to fraction form
   13,298.36/19,930.58 = 7,061.36/x
3. Step 3: Cross multiply
   13,298.36x = 19,930.58 × 7,061.36
4. Step 4: Simplify right side
   13,298.36x = 140,736,865.43
5. Step 5: Solve for x
   x = 140,736,865.43/13,298.36
6. Step 6: Final answer
   x = 10,583.03