Finding the Fourth Proportional to 42,740.24, 58,981.20 and 23,621.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,740.24 : 58,981.20 = 23,621.30 : x
2. Step 2: Convert to fraction form
   42,740.24/58,981.20 = 23,621.30/x
3. Step 3: Cross multiply
   42,740.24x = 58,981.20 × 23,621.30
4. Step 4: Simplify right side
   42,740.24x = 1,393,212,619.56
5. Step 5: Solve for x
   x = 1,393,212,619.56/42,740.24
6. Step 6: Final answer
   x = 32,597.21