Finding the Fourth Proportional to 57,196.22, 78,930.92 and 31,702.14

Step by Step Solution

1. Step 1: Write the proportion equation
   57,196.22 : 78,930.92 = 31,702.14 : x
2. Step 2: Convert to fraction form
   57,196.22/78,930.92 = 31,702.14/x
3. Step 3: Cross multiply
   57,196.22x = 78,930.92 × 31,702.14
4. Step 4: Simplify right side
   57,196.22x = 2,502,279,155.42
5. Step 5: Solve for x
   x = 2,502,279,155.42/57,196.22
6. Step 6: Final answer
   x = 43,749.03