Finding the Fourth Proportional to 11,748.76, 17,622.79 and 4,353.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,748.76 : 17,622.79 = 4,353.05 : x
2. Step 2: Convert to fraction form
   11,748.76/17,622.79 = 4,353.05/x
3. Step 3: Cross multiply
   11,748.76x = 17,622.79 × 4,353.05
4. Step 4: Simplify right side
   11,748.76x = 76,712,886.01
5. Step 5: Solve for x
   x = 76,712,886.01/11,748.76
6. Step 6: Final answer
   x = 6,529.45