Finding the Fourth Proportional to 42,171.72, 58,197.54 and 23,051.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,171.72 : 58,197.54 = 23,051.88 : x
2. Step 2: Convert to fraction form
   42,171.72/58,197.54 = 23,051.88/x
3. Step 3: Cross multiply
   42,171.72x = 58,197.54 × 23,051.88
4. Step 4: Simplify right side
   42,171.72x = 1,341,562,708.38
5. Step 5: Solve for x
   x = 1,341,562,708.38/42,171.72
6. Step 6: Final answer
   x = 31,811.90