Finding the Fourth Proportional to 12,454.63, 17,180.71 and 7,973.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,454.63 : 17,180.71 = 7,973.56 : x
2. Step 2: Convert to fraction form
   12,454.63/17,180.71 = 7,973.56/x
3. Step 3: Cross multiply
   12,454.63x = 17,180.71 × 7,973.56
4. Step 4: Simplify right side
   12,454.63x = 136,991,422.03
5. Step 5: Solve for x
   x = 136,991,422.03/12,454.63
6. Step 6: Final answer
   x = 10,999.24