Finding the Fourth Proportional to 13,261.14, 19,868.33 and 7,007.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,261.14 : 19,868.33 = 7,007.37 : x
2. Step 2: Convert to fraction form
   13,261.14/19,868.33 = 7,007.37/x
3. Step 3: Cross multiply
   13,261.14x = 19,868.33 × 7,007.37
4. Step 4: Simplify right side
   13,261.14x = 139,224,704.56
5. Step 5: Solve for x
   x = 139,224,704.56/13,261.14
6. Step 6: Final answer
   x = 10,498.70