Finding the Fourth Proportional to 42,196.26, 63,239.02 and 31,050.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,196.26 : 63,239.02 = 31,050.77 : x
2. Step 2: Convert to fraction form
   42,196.26/63,239.02 = 31,050.77/x
3. Step 3: Cross multiply
   42,196.26x = 63,239.02 × 31,050.77
4. Step 4: Simplify right side
   42,196.26x = 1,963,619,871.22
5. Step 5: Solve for x
   x = 1,963,619,871.22/42,196.26
6. Step 6: Final answer
   x = 46,535.40