Finding the Fourth Proportional to 7,155.74, 9,875.31 and 4,323.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.74 : 9,875.31 = 4,323.08 : x
2. Step 2: Convert to fraction form
   7,155.74/9,875.31 = 4,323.08/x
3. Step 3: Cross multiply
   7,155.74x = 9,875.31 × 4,323.08
4. Step 4: Simplify right side
   7,155.74x = 42,691,788.54
5. Step 5: Solve for x
   x = 42,691,788.54/7,155.74
6. Step 6: Final answer
   x = 5,966.09