Finding the Fourth Proportional to 2,426,297.88, 3,639,130.52 and 720,406.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426,297.88 : 3,639,130.52 = 720,406.86 : x
2. Step 2: Convert to fraction form
   2,426,297.88/3,639,130.52 = 720,406.86/x
3. Step 3: Cross multiply
   2,426,297.88x = 3,639,130.52 × 720,406.86
4. Step 4: Simplify right side
   2,426,297.88x = 2,621,654,591,043.37
5. Step 5: Solve for x
   x = 2,621,654,591,043.37/2,426,297.88
6. Step 6: Final answer
   x = 1,080,516.38