Finding the Fourth Proportional to 7,870.82, 10,862.02 and 4,334.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.82 : 10,862.02 = 4,334.30 : x
2. Step 2: Convert to fraction form
   7,870.82/10,862.02 = 4,334.30/x
3. Step 3: Cross multiply
   7,870.82x = 10,862.02 × 4,334.30
4. Step 4: Simplify right side
   7,870.82x = 47,079,253.29
5. Step 5: Solve for x
   x = 47,079,253.29/7,870.82
6. Step 6: Final answer
   x = 5,981.49