Finding the Fourth Proportional to 2,256,930.67, 3,114,564.01 and 1,290,081.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256,930.67 : 3,114,564.01 = 1,290,081.73 : x
2. Step 2: Convert to fraction form
   2,256,930.67/3,114,564.01 = 1,290,081.73/x
3. Step 3: Cross multiply
   2,256,930.67x = 3,114,564.01 × 1,290,081.73
4. Step 4: Simplify right side
   2,256,930.67x = 4,018,042,126,216.54
5. Step 5: Solve for x
   x = 4,018,042,126,216.54/2,256,930.67
6. Step 6: Final answer
   x = 1,780,312.61