Finding the Fourth Proportional to 9,820.05, 13,551.80 and 5,343.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.05 : 13,551.80 = 5,343.93 : x
2. Step 2: Convert to fraction form
   9,820.05/13,551.80 = 5,343.93/x
3. Step 3: Cross multiply
   9,820.05x = 13,551.80 × 5,343.93
4. Step 4: Simplify right side
   9,820.05x = 72,419,843.85
5. Step 5: Solve for x
   x = 72,419,843.85/9,820.05
6. Step 6: Final answer
   x = 7,374.69