Finding the Fourth Proportional to 2,308,872.47, 3,185,967.98 and 1,276,240.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,872.47 : 3,185,967.98 = 1,276,240.79 : x
2. Step 2: Convert to fraction form
   2,308,872.47/3,185,967.98 = 1,276,240.79/x
3. Step 3: Cross multiply
   2,308,872.47x = 3,185,967.98 × 1,276,240.79
4. Step 4: Simplify right side
   2,308,872.47x = 4,066,062,285,328.70
5. Step 5: Solve for x
   x = 4,066,062,285,328.70/2,308,872.47
6. Step 6: Final answer
   x = 1,761,059.71