Finding the Fourth Proportional to 92,718, 139,100.31 and 42,833.37

Step by Step Solution

1. Step 1: Write the proportion equation
   92,718 : 139,100.31 = 42,833.37 : x
2. Step 2: Convert to fraction form
   92,718/139,100.31 = 42,833.37/x
3. Step 3: Cross multiply
   92,718x = 139,100.31 × 42,833.37
4. Step 4: Simplify right side
   92,718x = 5,958,135,045.34
5. Step 5: Solve for x
   x = 5,958,135,045.34/92,718
6. Step 6: Final answer
   x = 64,260.82