Finding the Fourth Proportional to 9,195.63, 12,690.17 and 5,003.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,195.63 : 12,690.17 = 5,003.88 : x
2. Step 2: Convert to fraction form
   9,195.63/12,690.17 = 5,003.88/x
3. Step 3: Cross multiply
   9,195.63x = 12,690.17 × 5,003.88
4. Step 4: Simplify right side
   9,195.63x = 63,500,087.86
5. Step 5: Solve for x
   x = 63,500,087.86/9,195.63
6. Step 6: Final answer
   x = 6,905.46