Finding the Fourth Proportional to 2,601,358.45, 3,900,264.14 and 1,319,494.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601,358.45 : 3,900,264.14 = 1,319,494.15 : x
2. Step 2: Convert to fraction form
   2,601,358.45/3,900,264.14 = 1,319,494.15/x
3. Step 3: Cross multiply
   2,601,358.45x = 3,900,264.14 × 1,319,494.15
4. Step 4: Simplify right side
   2,601,358.45x = 5,146,375,694,997.71
5. Step 5: Solve for x
   x = 5,146,375,694,997.71/2,601,358.45
6. Step 6: Final answer
   x = 1,978,341.62