Finding the Fourth Proportional to 42,135.56, 58,145.55 and 23,272.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,135.56 : 58,145.55 = 23,272.28 : x
2. Step 2: Convert to fraction form
   42,135.56/58,145.55 = 23,272.28/x
3. Step 3: Cross multiply
   42,135.56x = 58,145.55 × 23,272.28
4. Step 4: Simplify right side
   42,135.56x = 1,353,179,520.35
5. Step 5: Solve for x
   x = 1,353,179,520.35/42,135.56
6. Step 6: Final answer
   x = 32,114.91