Finding the Fourth Proportional to 3,111,167.72, 4,290,137.72 and 2,456,707.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111,167.72 : 4,290,137.72 = 2,456,707.98 : x
2. Step 2: Convert to fraction form
   3,111,167.72/4,290,137.72 = 2,456,707.98/x
3. Step 3: Cross multiply
   3,111,167.72x = 4,290,137.72 × 2,456,707.98
4. Step 4: Simplify right side
   3,111,167.72x = 10,539,615,572,023.00
5. Step 5: Solve for x
   x = 10,539,615,572,023.00/3,111,167.72
6. Step 6: Final answer
   x = 3,387,671.94