Finding the Fourth Proportional to 28,083.36, 42,152.40 and 23,202.72

Step by Step Solution

1. Step 1: Write the proportion equation
   28,083.36 : 42,152.40 = 23,202.72 : x
2. Step 2: Convert to fraction form
   28,083.36/42,152.40 = 23,202.72/x
3. Step 3: Cross multiply
   28,083.36x = 42,152.40 × 23,202.72
4. Step 4: Simplify right side
   28,083.36x = 978,050,334.53
5. Step 5: Solve for x
   x = 978,050,334.53/28,083.36
6. Step 6: Final answer
   x = 34,826.69