Finding the Fourth Proportional to 42,704.57, 63,969.83 and 25,827.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,704.57 : 63,969.83 = 25,827.31 : x
2. Step 2: Convert to fraction form
   42,704.57/63,969.83 = 25,827.31/x
3. Step 3: Cross multiply
   42,704.57x = 63,969.83 × 25,827.31
4. Step 4: Simplify right side
   42,704.57x = 1,652,168,630.06
5. Step 5: Solve for x
   x = 1,652,168,630.06/42,704.57
6. Step 6: Final answer
   x = 38,688.33