Finding the Fourth Proportional to 9,810.39, 13,538.19 and 5,334.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,810.39 : 13,538.19 = 5,334.10 : x
2. Step 2: Convert to fraction form
   9,810.39/13,538.19 = 5,334.10/x
3. Step 3: Cross multiply
   9,810.39x = 13,538.19 × 5,334.10
4. Step 4: Simplify right side
   9,810.39x = 72,214,059.28
5. Step 5: Solve for x
   x = 72,214,059.28/9,810.39
6. Step 6: Final answer
   x = 7,360.98