Finding the Fourth Proportional to 42,353.28, 58,448.79 and 23,490

Step by Step Solution

1. Step 1: Write the proportion equation
   42,353.28 : 58,448.79 = 23,490 : x
2. Step 2: Convert to fraction form
   42,353.28/58,448.79 = 23,490/x
3. Step 3: Cross multiply
   42,353.28x = 58,448.79 × 23,490
4. Step 4: Simplify right side
   42,353.28x = 1,372,962,077.10
5. Step 5: Solve for x
   x = 1,372,962,077.10/42,353.28
6. Step 6: Final answer
   x = 32,416.90