Finding the Fourth Proportional to 9,103.77, 13,627.71 and 6,638.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.77 : 13,627.71 = 6,638.00 : x
2. Step 2: Convert to fraction form
   9,103.77/13,627.71 = 6,638.00/x
3. Step 3: Cross multiply
   9,103.77x = 13,627.71 × 6,638.00
4. Step 4: Simplify right side
   9,103.77x = 90,460,670.84
5. Step 5: Solve for x
   x = 90,460,670.84/9,103.77
6. Step 6: Final answer
   x = 9,936.62