Finding the Fourth Proportional to 2,607,002.88, 3,910,505.76 and 713,760

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607,002.88 : 3,910,505.76 = 713,760 : x
2. Step 2: Convert to fraction form
   2,607,002.88/3,910,505.76 = 713,760/x
3. Step 3: Cross multiply
   2,607,002.88x = 3,910,505.76 × 713,760
4. Step 4: Simplify right side
   2,607,002.88x = 2,791,162,591,257.60
5. Step 5: Solve for x
   x = 2,791,162,591,257.60/2,607,002.88
6. Step 6: Final answer
   x = 1,070,640.39