Finding the Fourth Proportional to 12,993.82, 19,485.88 and 4,671.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993.82 : 19,485.88 = 4,671.56 : x
2. Step 2: Convert to fraction form
   12,993.82/19,485.88 = 4,671.56/x
3. Step 3: Cross multiply
   12,993.82x = 19,485.88 × 4,671.56
4. Step 4: Simplify right side
   12,993.82x = 91,029,457.57
5. Step 5: Solve for x
   x = 91,029,457.57/12,993.82
6. Step 6: Final answer
   x = 7,005.60