Finding the Fourth Proportional to 42,256.36, 58,311.56 and 23,132.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256.36 : 58,311.56 = 23,132.47 : x
2. Step 2: Convert to fraction form
   42,256.36/58,311.56 = 23,132.47/x
3. Step 3: Cross multiply
   42,256.36x = 58,311.56 × 23,132.47
4. Step 4: Simplify right side
   42,256.36x = 1,348,890,213.15
5. Step 5: Solve for x
   x = 1,348,890,213.15/42,256.36
6. Step 6: Final answer
   x = 31,921.59