Finding the Fourth Proportional to 92,899.98, 139,237.38 and 42,876

Step by Step Solution

1. Step 1: Write the proportion equation
   92,899.98 : 139,237.38 = 42,876 : x
2. Step 2: Convert to fraction form
   92,899.98/139,237.38 = 42,876/x
3. Step 3: Cross multiply
   92,899.98x = 139,237.38 × 42,876
4. Step 4: Simplify right side
   92,899.98x = 5,969,941,904.88
5. Step 5: Solve for x
   x = 5,969,941,904.88/92,899.98
6. Step 6: Final answer
   x = 64,262.04