Finding the Fourth Proportional to 12,826.44, 17,702.01 and 7,791.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826.44 : 17,702.01 = 7,791.48 : x
2. Step 2: Convert to fraction form
   12,826.44/17,702.01 = 7,791.48/x
3. Step 3: Cross multiply
   12,826.44x = 17,702.01 × 7,791.48
4. Step 4: Simplify right side
   12,826.44x = 137,924,856.87
5. Step 5: Solve for x
   x = 137,924,856.87/12,826.44
6. Step 6: Final answer
   x = 10,753.17