Finding the Fourth Proportional to 8,538.32, 12,800.76 and 3,343.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,538.32 : 12,800.76 = 3,343.76 : x
2. Step 2: Convert to fraction form
   8,538.32/12,800.76 = 3,343.76/x
3. Step 3: Cross multiply
   8,538.32x = 12,800.76 × 3,343.76
4. Step 4: Simplify right side
   8,538.32x = 42,802,669.26
5. Step 5: Solve for x
   x = 42,802,669.26/8,538.32
6. Step 6: Final answer
   x = 5,013.01