Finding the Fourth Proportional to 12,475.49, 17,210.31 and 7,436.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,475.49 : 17,210.31 = 7,436.84 : x
2. Step 2: Convert to fraction form
   12,475.49/17,210.31 = 7,436.84/x
3. Step 3: Cross multiply
   12,475.49x = 17,210.31 × 7,436.84
4. Step 4: Simplify right side
   12,475.49x = 127,990,321.82
5. Step 5: Solve for x
   x = 127,990,321.82/12,475.49
6. Step 6: Final answer
   x = 10,259.34