Finding the Fourth Proportional to 65,961.72, 98,897.46 and 31,749.39

Step by Step Solution

1. Step 1: Write the proportion equation
   65,961.72 : 98,897.46 = 31,749.39 : x
2. Step 2: Convert to fraction form
   65,961.72/98,897.46 = 31,749.39/x
3. Step 3: Cross multiply
   65,961.72x = 98,897.46 × 31,749.39
4. Step 4: Simplify right side
   65,961.72x = 3,139,934,027.55
5. Step 5: Solve for x
   x = 3,139,934,027.55/65,961.72
6. Step 6: Final answer
   x = 47,602.37