Finding the Fourth Proportional to 12,384,780.10, 18,548,886.76 and 5,912,408.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384,780.10 : 18,548,886.76 = 5,912,408.28 : x
2. Step 2: Convert to fraction form
   12,384,780.10/18,548,886.76 = 5,912,408.28/x
3. Step 3: Cross multiply
   12,384,780.10x = 18,548,886.76 × 5,912,408.28
4. Step 4: Simplify right side
   12,384,780.10x = 109,668,591,664,606.39
5. Step 5: Solve for x
   x = 109,668,591,664,606.39/12,384,780.10
6. Step 6: Final answer
   x = 8,855,110.13