Finding the Fourth Proportional to 42,171.36, 58,200.09 and 23,312.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,171.36 : 58,200.09 = 23,312.10 : x
2. Step 2: Convert to fraction form
   42,171.36/58,200.09 = 23,312.10/x
3. Step 3: Cross multiply
   42,171.36x = 58,200.09 × 23,312.10
4. Step 4: Simplify right side
   42,171.36x = 1,356,766,318.09
5. Step 5: Solve for x
   x = 1,356,766,318.09/42,171.36
6. Step 6: Final answer
   x = 32,172.70