Finding the Fourth Proportional to 7,870.88, 10,860.88 and 4,726.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.88 : 10,860.88 = 4,726.56 : x
2. Step 2: Convert to fraction form
   7,870.88/10,860.88 = 4,726.56/x
3. Step 3: Cross multiply
   7,870.88x = 10,860.88 × 4,726.56
4. Step 4: Simplify right side
   7,870.88x = 51,334,600.97
5. Step 5: Solve for x
   x = 51,334,600.97/7,870.88
6. Step 6: Final answer
   x = 6,522.09