Finding the Fourth Proportional to 42,379.86, 58,481.28 and 23,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,379.86 : 58,481.28 = 23,515.50 : x
2. Step 2: Convert to fraction form
   42,379.86/58,481.28 = 23,515.50/x
3. Step 3: Cross multiply
   42,379.86x = 58,481.28 × 23,515.50
4. Step 4: Simplify right side
   42,379.86x = 1,375,216,539.84
5. Step 5: Solve for x
   x = 1,375,216,539.84/42,379.86
6. Step 6: Final answer
   x = 32,449.77