Finding the Fourth Proportional to 9,819.83, 13,551.33 and 5,343.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.83 : 13,551.33 = 5,343.50 : x
2. Step 2: Convert to fraction form
   9,819.83/13,551.33 = 5,343.50/x
3. Step 3: Cross multiply
   9,819.83x = 13,551.33 × 5,343.50
4. Step 4: Simplify right side
   9,819.83x = 72,411,585.77
5. Step 5: Solve for x
   x = 72,411,585.77/9,819.83
6. Step 6: Final answer
   x = 7,374.01