Finding the Fourth Proportional to 2,479,434.34, 3,421,431.61 and 1,391,495.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479,434.34 : 3,421,431.61 = 1,391,495.80 : x
2. Step 2: Convert to fraction form
   2,479,434.34/3,421,431.61 = 1,391,495.80/x
3. Step 3: Cross multiply
   2,479,434.34x = 3,421,431.61 × 1,391,495.80
4. Step 4: Simplify right side
   2,479,434.34x = 4,760,907,705,009.29
5. Step 5: Solve for x
   x = 4,760,907,705,009.29/2,479,434.34
6. Step 6: Final answer
   x = 1,920,158.82