Finding the Fourth Proportional to 42,381.18, 58,488.78 and 23,518.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,381.18 : 58,488.78 = 23,518.32 : x
2. Step 2: Convert to fraction form
   42,381.18/58,488.78 = 23,518.32/x
3. Step 3: Cross multiply
   42,381.18x = 58,488.78 × 23,518.32
4. Step 4: Simplify right side
   42,381.18x = 1,375,557,844.45
5. Step 5: Solve for x
   x = 1,375,557,844.45/42,381.18
6. Step 6: Final answer
   x = 32,456.81