Finding the Fourth Proportional to 7,870.36, 10,860.70 and 4,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.36 : 10,860.70 = 4,333.50 : x
2. Step 2: Convert to fraction form
   7,870.36/10,860.70 = 4,333.50/x
3. Step 3: Cross multiply
   7,870.36x = 10,860.70 × 4,333.50
4. Step 4: Simplify right side
   7,870.36x = 47,064,767.48
5. Step 5: Solve for x
   x = 47,064,767.48/7,870.36
6. Step 6: Final answer
   x = 5,980.00