Finding the Fourth Proportional to 42,190.56, 58,221 and 23,327.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,190.56 : 58,221 = 23,327.28 : x
2. Step 2: Convert to fraction form
   42,190.56/58,221 = 23,327.28/x
3. Step 3: Cross multiply
   42,190.56x = 58,221 × 23,327.28
4. Step 4: Simplify right side
   42,190.56x = 1,358,137,568.88
5. Step 5: Solve for x
   x = 1,358,137,568.88/42,190.56
6. Step 6: Final answer
   x = 32,190.56