Finding the Fourth Proportional to 42,478.69, 58,620.66 and 23,615.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,478.69 : 58,620.66 = 23,615.82 : x
2. Step 2: Convert to fraction form
   42,478.69/58,620.66 = 23,615.82/x
3. Step 3: Cross multiply
   42,478.69x = 58,620.66 × 23,615.82
4. Step 4: Simplify right side
   42,478.69x = 1,384,374,954.84
5. Step 5: Solve for x
   x = 1,384,374,954.84/42,478.69
6. Step 6: Final answer
   x = 32,589.87