Finding the Fourth Proportional to 42,032.56, 58,004.88 and 23,170

Step by Step Solution

1. Step 1: Write the proportion equation
   42,032.56 : 58,004.88 = 23,170 : x
2. Step 2: Convert to fraction form
   42,032.56/58,004.88 = 23,170/x
3. Step 3: Cross multiply
   42,032.56x = 58,004.88 × 23,170
4. Step 4: Simplify right side
   42,032.56x = 1,343,973,069.60
5. Step 5: Solve for x
   x = 1,343,973,069.60/42,032.56
6. Step 6: Final answer
   x = 31,974.57