Finding the Fourth Proportional to 22,499,923.36, 31,049,880.72 and 12,186,643.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,499,923.36 : 31,049,880.72 = 12,186,643.36 : x
2. Step 2: Convert to fraction form
   22,499,923.36/31,049,880.72 = 12,186,643.36/x
3. Step 3: Cross multiply
   22,499,923.36x = 31,049,880.72 × 12,186,643.36
4. Step 4: Simplify right side
   22,499,923.36x = 378,393,822,705,180
5. Step 5: Solve for x
   x = 378,393,822,705,180/22,499,923.36
6. Step 6: Final answer
   x = 16,817,560.52