Finding the Fourth Proportional to 42,373,521.37, 63,560,872.55 and 12,081,384.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,373,521.37 : 63,560,872.55 = 12,081,384.37 : x
2. Step 2: Convert to fraction form
   42,373,521.37/63,560,872.55 = 12,081,384.37/x
3. Step 3: Cross multiply
   42,373,521.37x = 63,560,872.55 × 12,081,384.37
4. Step 4: Simplify right side
   42,373,521.37x = 767,903,332,108,725.12
5. Step 5: Solve for x
   x = 767,903,332,108,725.12/42,373,521.37
6. Step 6: Final answer
   x = 18,122,244.91