Finding the Fourth Proportional to 12,405,148.71, 17,116,596.57 and 7,247,513.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,405,148.71 : 17,116,596.57 = 7,247,513.82 : x
2. Step 2: Convert to fraction form
   12,405,148.71/17,116,596.57 = 7,247,513.82/x
3. Step 3: Cross multiply
   12,405,148.71x = 17,116,596.57 × 7,247,513.82
4. Step 4: Simplify right side
   12,405,148.71x = 124,052,770,192,439.61
5. Step 5: Solve for x
   x = 124,052,770,192,439.61/12,405,148.71
6. Step 6: Final answer
   x = 10,000,103.43