Finding the Fourth Proportional to 2,267,284.54, 3,128,994.06 and 1,248,689.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267,284.54 : 3,128,994.06 = 1,248,689.02 : x
2. Step 2: Convert to fraction form
   2,267,284.54/3,128,994.06 = 1,248,689.02/x
3. Step 3: Cross multiply
   2,267,284.54x = 3,128,994.06 × 1,248,689.02
4. Step 4: Simplify right side
   2,267,284.54x = 3,907,140,526,367.22
5. Step 5: Solve for x
   x = 3,907,140,526,367.22/2,267,284.54
6. Step 6: Final answer
   x = 1,723,268.72