Finding the Fourth Proportional to 42,641.17, 63,942.31 and 25,116.01

Step by Step Solution

1. Step 1: Write the proportion equation
   42,641.17 : 63,942.31 = 25,116.01 : x
2. Step 2: Convert to fraction form
   42,641.17/63,942.31 = 25,116.01/x
3. Step 3: Cross multiply
   42,641.17x = 63,942.31 × 25,116.01
4. Step 4: Simplify right side
   42,641.17x = 1,605,975,697.38
5. Step 5: Solve for x
   x = 1,605,975,697.38/42,641.17
6. Step 6: Final answer
   x = 37,662.56