Finding the Fourth Proportional to 7,111.89, 9,819.72 and 4,595.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.89 : 9,819.72 = 4,595.58 : x
2. Step 2: Convert to fraction form
   7,111.89/9,819.72 = 4,595.58/x
3. Step 3: Cross multiply
   7,111.89x = 9,819.72 × 4,595.58
4. Step 4: Simplify right side
   7,111.89x = 45,127,308.84
5. Step 5: Solve for x
   x = 45,127,308.84/7,111.89
6. Step 6: Final answer
   x = 6,345.33