Finding the Fourth Proportional to 42,354.56, 58,448.40 and 23,491.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,354.56 : 58,448.40 = 23,491.28 : x
2. Step 2: Convert to fraction form
   42,354.56/58,448.40 = 23,491.28/x
3. Step 3: Cross multiply
   42,354.56x = 58,448.40 × 23,491.28
4. Step 4: Simplify right side
   42,354.56x = 1,373,027,729.95
5. Step 5: Solve for x
   x = 1,373,027,729.95/42,354.56
6. Step 6: Final answer
   x = 32,417.47