Finding the Fourth Proportional to 2,680,900.88, 4,022,663.16 and 1,261,100.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,900.88 : 4,022,663.16 = 1,261,100.24 : x
2. Step 2: Convert to fraction form
   2,680,900.88/4,022,663.16 = 1,261,100.24/x
3. Step 3: Cross multiply
   2,680,900.88x = 4,022,663.16 × 1,261,100.24
4. Step 4: Simplify right side
   2,680,900.88x = 5,072,981,476,515.16
5. Step 5: Solve for x
   x = 5,072,981,476,515.16/2,680,900.88
6. Step 6: Final answer
   x = 1,892,267.45