Finding the Fourth Proportional to 28,870.02, 39,858.25 and 27,083.18

Step by Step Solution

1. Step 1: Write the proportion equation
   28,870.02 : 39,858.25 = 27,083.18 : x
2. Step 2: Convert to fraction form
   28,870.02/39,858.25 = 27,083.18/x
3. Step 3: Cross multiply
   28,870.02x = 39,858.25 × 27,083.18
4. Step 4: Simplify right side
   28,870.02x = 1,079,487,880.50
5. Step 5: Solve for x
   x = 1,079,487,880.50/28,870.02
6. Step 6: Final answer
   x = 37,391.31