Finding the Fourth Proportional to 9,810.45, 13,538.41 and 5,334.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,810.45 : 13,538.41 = 5,334.19 : x
2. Step 2: Convert to fraction form
   9,810.45/13,538.41 = 5,334.19/x
3. Step 3: Cross multiply
   9,810.45x = 13,538.41 × 5,334.19
4. Step 4: Simplify right side
   9,810.45x = 72,216,404.06
5. Step 5: Solve for x
   x = 72,216,404.06/9,810.45
6. Step 6: Final answer
   x = 7,361.17