Finding the Fourth Proportional to 42,653.28, 58,862.79 and 23,790

Step by Step Solution

1. Step 1: Write the proportion equation
   42,653.28 : 58,862.79 = 23,790 : x
2. Step 2: Convert to fraction form
   42,653.28/58,862.79 = 23,790/x
3. Step 3: Cross multiply
   42,653.28x = 58,862.79 × 23,790
4. Step 4: Simplify right side
   42,653.28x = 1,400,345,774.10
5. Step 5: Solve for x
   x = 1,400,345,774.10/42,653.28
6. Step 6: Final answer
   x = 32,830.90