Finding the Fourth Proportional to 42,174.32, 63,230.23 and 25,530.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,174.32 : 63,230.23 = 25,530.42 : x
2. Step 2: Convert to fraction form
   42,174.32/63,230.23 = 25,530.42/x
3. Step 3: Cross multiply
   42,174.32x = 63,230.23 × 25,530.42
4. Step 4: Simplify right side
   42,174.32x = 1,614,294,328.60
5. Step 5: Solve for x
   x = 1,614,294,328.60/42,174.32
6. Step 6: Final answer
   x = 38,276.71