Finding the Fourth Proportional to 9,810.39, 13,538.01 and 5,334.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,810.39 : 13,538.01 = 5,334.06 : x
2. Step 2: Convert to fraction form
   9,810.39/13,538.01 = 5,334.06/x
3. Step 3: Cross multiply
   9,810.39x = 13,538.01 × 5,334.06
4. Step 4: Simplify right side
   9,810.39x = 72,212,557.62
5. Step 5: Solve for x
   x = 72,212,557.62/9,810.39
6. Step 6: Final answer
   x = 7,360.82