Finding the Fourth Proportional to 3,817,423.62, 5,725,985.85 and 1,293,078.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,817,423.62 : 5,725,985.85 = 1,293,078.78 : x
2. Step 2: Convert to fraction form
   3,817,423.62/5,725,985.85 = 1,293,078.78/x
3. Step 3: Cross multiply
   3,817,423.62x = 5,725,985.85 × 1,293,078.78
4. Step 4: Simplify right side
   3,817,423.62x = 7,404,150,797,215.26
5. Step 5: Solve for x
   x = 7,404,150,797,215.26/3,817,423.62
6. Step 6: Final answer
   x = 1,939,567.50