Finding the Fourth Proportional to 31,200.34, 43,059.42 and 17,055.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.34 : 43,059.42 = 17,055.30 : x
2. Step 2: Convert to fraction form
   31,200.34/43,059.42 = 17,055.30/x
3. Step 3: Cross multiply
   31,200.34x = 43,059.42 × 17,055.30
4. Step 4: Simplify right side
   31,200.34x = 734,391,325.93
5. Step 5: Solve for x
   x = 734,391,325.93/31,200.34
6. Step 6: Final answer
   x = 23,537.93