Finding the Fourth Proportional to 16,286,499.77, 22,484,095.43 and 12,557,185.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,286,499.77 : 22,484,095.43 = 12,557,185.65 : x
2. Step 2: Convert to fraction form
   16,286,499.77/22,484,095.43 = 12,557,185.65/x
3. Step 3: Cross multiply
   16,286,499.77x = 22,484,095.43 × 12,557,185.65
4. Step 4: Simplify right side
   16,286,499.77x = 282,336,960,424,040.69
5. Step 5: Solve for x
   x = 282,336,960,424,040.69/16,286,499.77
6. Step 6: Final answer
   x = 17,335,643.91