Finding the Fourth Proportional to 42,478.01, 58,620.92 and 23,356.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,478.01 : 58,620.92 = 23,356.79 : x
2. Step 2: Convert to fraction form
   42,478.01/58,620.92 = 23,356.79/x
3. Step 3: Cross multiply
   42,478.01x = 58,620.92 × 23,356.79
4. Step 4: Simplify right side
   42,478.01x = 1,369,196,518.05
5. Step 5: Solve for x
   x = 1,369,196,518.05/42,478.01
6. Step 6: Final answer
   x = 32,233.07