Finding the Fourth Proportional to 92,749.96, 139,108.76 and 42,825.80

Step by Step Solution

1. Step 1: Write the proportion equation
   92,749.96 : 139,108.76 = 42,825.80 : x
2. Step 2: Convert to fraction form
   92,749.96/139,108.76 = 42,825.80/x
3. Step 3: Cross multiply
   92,749.96x = 139,108.76 × 42,825.80
4. Step 4: Simplify right side
   92,749.96x = 5,957,443,934.01
5. Step 5: Solve for x
   x = 5,957,443,934.01/92,749.96
6. Step 6: Final answer
   x = 64,231.23