Finding the Fourth Proportional to 32,830.26, 45,174.52 and 31,911.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,830.26 : 45,174.52 = 31,911.72 : x
2. Step 2: Convert to fraction form
   32,830.26/45,174.52 = 31,911.72/x
3. Step 3: Cross multiply
   32,830.26x = 45,174.52 × 31,911.72
4. Step 4: Simplify right side
   32,830.26x = 1,441,596,633.37
5. Step 5: Solve for x
   x = 1,441,596,633.37/32,830.26
6. Step 6: Final answer
   x = 43,910.61