Finding the Fourth Proportional to 13,100.85, 19,651.47 and 7,294.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.85 : 19,651.47 = 7,294.37 : x
2. Step 2: Convert to fraction form
   13,100.85/19,651.47 = 7,294.37/x
3. Step 3: Cross multiply
   13,100.85x = 19,651.47 × 7,294.37
4. Step 4: Simplify right side
   13,100.85x = 143,344,994.97
5. Step 5: Solve for x
   x = 143,344,994.97/13,100.85
6. Step 6: Final answer
   x = 10,941.66