Finding the Fourth Proportional to 42,630.27, 63,868.78 and 25,090.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,630.27 : 63,868.78 = 25,090.53 : x
2. Step 2: Convert to fraction form
   42,630.27/63,868.78 = 25,090.53/x
3. Step 3: Cross multiply
   42,630.27x = 63,868.78 × 25,090.53
4. Step 4: Simplify right side
   42,630.27x = 1,602,501,540.65
5. Step 5: Solve for x
   x = 1,602,501,540.65/42,630.27
6. Step 6: Final answer
   x = 37,590.70