Finding the Fourth Proportional to 9,036.37, 13,551.18 and 3,111.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.37 : 13,551.18 = 3,111.58 : x
2. Step 2: Convert to fraction form
   9,036.37/13,551.18 = 3,111.58/x
3. Step 3: Cross multiply
   9,036.37x = 13,551.18 × 3,111.58
4. Step 4: Simplify right side
   9,036.37x = 42,165,580.66
5. Step 5: Solve for x
   x = 42,165,580.66/9,036.37
6. Step 6: Final answer
   x = 4,666.21