Finding the Fourth Proportional to 11,758.57, 17,637.55 and 2,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,758.57 : 17,637.55 = 2,993.50 : x
2. Step 2: Convert to fraction form
   11,758.57/17,637.55 = 2,993.50/x
3. Step 3: Cross multiply
   11,758.57x = 17,637.55 × 2,993.50
4. Step 4: Simplify right side
   11,758.57x = 52,798,005.93
5. Step 5: Solve for x
   x = 52,798,005.93/11,758.57
6. Step 6: Final answer
   x = 4,490.17