Finding the Fourth Proportional to 2,107,279.52, 2,907,732.72 and 1,279,922.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,279.52 : 2,907,732.72 = 1,279,922.48 : x
2. Step 2: Convert to fraction form
   2,107,279.52/2,907,732.72 = 1,279,922.48/x
3. Step 3: Cross multiply
   2,107,279.52x = 2,907,732.72 × 1,279,922.48
4. Step 4: Simplify right side
   2,107,279.52x = 3,721,672,474,159.55
5. Step 5: Solve for x
   x = 3,721,672,474,159.55/2,107,279.52
6. Step 6: Final answer
   x = 1,766,102.90