Finding the Fourth Proportional to 42,171.80, 58,197.31 and 23,051.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,171.80 : 58,197.31 = 23,051.60 : x
2. Step 2: Convert to fraction form
   42,171.80/58,197.31 = 23,051.60/x
3. Step 3: Cross multiply
   42,171.80x = 58,197.31 × 23,051.60
4. Step 4: Simplify right side
   42,171.80x = 1,341,541,111.20
5. Step 5: Solve for x
   x = 1,341,541,111.20/42,171.80
6. Step 6: Final answer
   x = 31,811.33