Finding the Fourth Proportional to 12,518,499.03, 18,777,546.94 and 3,998,779.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,518,499.03 : 18,777,546.94 = 3,998,779.35 : x
2. Step 2: Convert to fraction form
   12,518,499.03/18,777,546.94 = 3,998,779.35/x
3. Step 3: Cross multiply
   12,518,499.03x = 18,777,546.94 × 3,998,779.35
4. Step 4: Simplify right side
   12,518,499.03x = 75,087,266,947,327.70
5. Step 5: Solve for x
   x = 75,087,266,947,327.70/12,518,499.03
6. Step 6: Final answer
   x = 5,998,104.63