Finding the Fourth Proportional to 31,147.39, 46,645.75 and 21,796.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,147.39 : 46,645.75 = 21,796.75 : x
2. Step 2: Convert to fraction form
   31,147.39/46,645.75 = 21,796.75/x
3. Step 3: Cross multiply
   31,147.39x = 46,645.75 × 21,796.75
4. Step 4: Simplify right side
   31,147.39x = 1,016,725,751.31
5. Step 5: Solve for x
   x = 1,016,725,751.31/31,147.39
6. Step 6: Final answer
   x = 32,642.41