Finding the Fourth Proportional to 28,870.58, 39,830.34 and 17,536.04

Step by Step Solution

1. Step 1: Write the proportion equation
   28,870.58 : 39,830.34 = 17,536.04 : x
2. Step 2: Convert to fraction form
   28,870.58/39,830.34 = 17,536.04/x
3. Step 3: Cross multiply
   28,870.58x = 39,830.34 × 17,536.04
4. Step 4: Simplify right side
   28,870.58x = 698,466,435.45
5. Step 5: Solve for x
   x = 698,466,435.45/28,870.58
6. Step 6: Final answer
   x = 24,193.02