Finding the Fourth Proportional to 10,602.82, 14,640.33 and 10,126.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,602.82 : 14,640.33 = 10,126.90 : x
2. Step 2: Convert to fraction form
   10,602.82/14,640.33 = 10,126.90/x
3. Step 3: Cross multiply
   10,602.82x = 14,640.33 × 10,126.90
4. Step 4: Simplify right side
   10,602.82x = 148,261,157.88
5. Step 5: Solve for x
   x = 148,261,157.88/10,602.82
6. Step 6: Final answer
   x = 13,983.18