Finding the Fourth Proportional to 9,820.01, 13,551.81 and 5,343.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.01 : 13,551.81 = 5,343.80 : x
2. Step 2: Convert to fraction form
   9,820.01/13,551.81 = 5,343.80/x
3. Step 3: Cross multiply
   9,820.01x = 13,551.81 × 5,343.80
4. Step 4: Simplify right side
   9,820.01x = 72,418,112.59
5. Step 5: Solve for x
   x = 72,418,112.59/9,820.01
6. Step 6: Final answer
   x = 7,374.55