Finding the Fourth Proportional to 7,870.31, 10,860.99 and 4,333.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.31 : 10,860.99 = 4,333.52 : x
2. Step 2: Convert to fraction form
   7,870.31/10,860.99 = 4,333.52/x
3. Step 3: Cross multiply
   7,870.31x = 10,860.99 × 4,333.52
4. Step 4: Simplify right side
   7,870.31x = 47,066,263.08
5. Step 5: Solve for x
   x = 47,066,263.08/7,870.31
6. Step 6: Final answer
   x = 5,980.23