Finding the Fourth Proportional to 42,478.60, 58,620.71 and 23,358.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,478.60 : 58,620.71 = 23,358.75 : x
2. Step 2: Convert to fraction form
   42,478.60/58,620.71 = 23,358.75/x
3. Step 3: Cross multiply
   42,478.60x = 58,620.71 × 23,358.75
4. Step 4: Simplify right side
   42,478.60x = 1,369,306,842.89
5. Step 5: Solve for x
   x = 1,369,306,842.89/42,478.60
6. Step 6: Final answer
   x = 32,235.21