Finding the Fourth Proportional to 2,256,956.37, 3,114,599.82 and 1,290,107.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256,956.37 : 3,114,599.82 = 1,290,107.61 : x
2. Step 2: Convert to fraction form
   2,256,956.37/3,114,599.82 = 1,290,107.61/x
3. Step 3: Cross multiply
   2,256,956.37x = 3,114,599.82 × 1,290,107.61
4. Step 4: Simplify right side
   2,256,956.37x = 4,018,168,929,886.63
5. Step 5: Solve for x
   x = 4,018,168,929,886.63/2,256,956.37
6. Step 6: Final answer
   x = 1,780,348.52