Finding the Fourth Proportional to 9,558.21, 14,338.59 and 2,985.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,558.21 : 14,338.59 = 2,985.06 : x
2. Step 2: Convert to fraction form
   9,558.21/14,338.59 = 2,985.06/x
3. Step 3: Cross multiply
   9,558.21x = 14,338.59 × 2,985.06
4. Step 4: Simplify right side
   9,558.21x = 42,801,551.47
5. Step 5: Solve for x
   x = 42,801,551.47/9,558.21
6. Step 6: Final answer
   x = 4,477.99