Finding the Fourth Proportional to 42,478.06, 58,621.23 and 23,359.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,478.06 : 58,621.23 = 23,359.30 : x
2. Step 2: Convert to fraction form
   42,478.06/58,621.23 = 23,359.30/x
3. Step 3: Cross multiply
   42,478.06x = 58,621.23 × 23,359.30
4. Step 4: Simplify right side
   42,478.06x = 1,369,350,897.94
5. Step 5: Solve for x
   x = 1,369,350,897.94/42,478.06
6. Step 6: Final answer
   x = 32,236.66