Finding the Fourth Proportional to 9,820.10, 13,551.73 and 5,343.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.10 : 13,551.73 = 5,343.91 : x
2. Step 2: Convert to fraction form
   9,820.10/13,551.73 = 5,343.91/x
3. Step 3: Cross multiply
   9,820.10x = 13,551.73 × 5,343.91
4. Step 4: Simplify right side
   9,820.10x = 72,419,178.23
5. Step 5: Solve for x
   x = 72,419,178.23/9,820.10
6. Step 6: Final answer
   x = 7,374.58