Finding the Fourth Proportional to 2,518,469.86, 3,778,817.73 and 1,320,105.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518,469.86 : 3,778,817.73 = 1,320,105.64 : x
2. Step 2: Convert to fraction form
   2,518,469.86/3,778,817.73 = 1,320,105.64/x
3. Step 3: Cross multiply
   2,518,469.86x = 3,778,817.73 × 1,320,105.64
4. Step 4: Simplify right side
   2,518,469.86x = 4,988,438,597,905.00
5. Step 5: Solve for x
   x = 4,988,438,597,905.00/2,518,469.86
6. Step 6: Final answer
   x = 1,980,741.83