Finding the Fourth Proportional to 12,993.32, 19,485.13 and 4,671.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993.32 : 19,485.13 = 4,671.06 : x
2. Step 2: Convert to fraction form
   12,993.32/19,485.13 = 4,671.06/x
3. Step 3: Cross multiply
   12,993.32x = 19,485.13 × 4,671.06
4. Step 4: Simplify right side
   12,993.32x = 91,016,211.34
5. Step 5: Solve for x
   x = 91,016,211.34/12,993.32
6. Step 6: Final answer
   x = 7,004.85