Finding the Fourth Proportional to 2,685,861.78, 4,027,610.43 and 1,423,393.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,861.78 : 4,027,610.43 = 1,423,393.62 : x
2. Step 2: Convert to fraction form
   2,685,861.78/4,027,610.43 = 1,423,393.62/x
3. Step 3: Cross multiply
   2,685,861.78x = 4,027,610.43 × 1,423,393.62
4. Step 4: Simplify right side
   2,685,861.78x = 5,732,874,989,907.46
5. Step 5: Solve for x
   x = 5,732,874,989,907.46/2,685,861.78
6. Step 6: Final answer
   x = 2,134,463.89