Finding the Fourth Proportional to 2,267,284.53, 3,128,994.05 and 1,248,689.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267,284.53 : 3,128,994.05 = 1,248,689.01 : x
2. Step 2: Convert to fraction form
   2,267,284.53/3,128,994.05 = 1,248,689.01/x
3. Step 3: Cross multiply
   2,267,284.53x = 3,128,994.05 × 1,248,689.01
4. Step 4: Simplify right side
   2,267,284.53x = 3,907,140,482,590.39
5. Step 5: Solve for x
   x = 3,907,140,482,590.39/2,267,284.53
6. Step 6: Final answer
   x = 1,723,268.71