Finding the Fourth Proportional to 12,783.30, 19,167.12 and 4,983

Step by Step Solution

1. Step 1: Write the proportion equation
   12,783.30 : 19,167.12 = 4,983 : x
2. Step 2: Convert to fraction form
   12,783.30/19,167.12 = 4,983/x
3. Step 3: Cross multiply
   12,783.30x = 19,167.12 × 4,983
4. Step 4: Simplify right side
   12,783.30x = 95,509,758.96
5. Step 5: Solve for x
   x = 95,509,758.96/12,783.30
6. Step 6: Final answer
   x = 7,471.45