Finding the Fourth Proportional to 42,172, 58,192.32 and 23,306.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,172 : 58,192.32 = 23,306.56 : x
2. Step 2: Convert to fraction form
   42,172/58,192.32 = 23,306.56/x
3. Step 3: Cross multiply
   42,172x = 58,192.32 × 23,306.56
4. Step 4: Simplify right side
   42,172x = 1,356,262,797.62
5. Step 5: Solve for x
   x = 1,356,262,797.62/42,172
6. Step 6: Final answer
   x = 32,160.27