Finding the Fourth Proportional to 42,358.41, 63,583.58 and 31,858.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,358.41 : 63,583.58 = 31,858.38 : x
2. Step 2: Convert to fraction form
   42,358.41/63,583.58 = 31,858.38/x
3. Step 3: Cross multiply
   42,358.41x = 63,583.58 × 31,858.38
4. Step 4: Simplify right side
   42,358.41x = 2,025,669,933.05
5. Step 5: Solve for x
   x = 2,025,669,933.05/42,358.41
6. Step 6: Final answer
   x = 47,822.14