Finding the Fourth Proportional to 42,612.56, 58,805.48 and 23,491.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,612.56 : 58,805.48 = 23,491.90 : x
2. Step 2: Convert to fraction form
   42,612.56/58,805.48 = 23,491.90/x
3. Step 3: Cross multiply
   42,612.56x = 58,805.48 × 23,491.90
4. Step 4: Simplify right side
   42,612.56x = 1,381,452,338.15
5. Step 5: Solve for x
   x = 1,381,452,338.15/42,612.56
6. Step 6: Final answer
   x = 32,418.90