Finding the Fourth Proportional to 92,814.12, 139,198.85 and 42,846.23

Step by Step Solution

1. Step 1: Write the proportion equation
   92,814.12 : 139,198.85 = 42,846.23 : x
2. Step 2: Convert to fraction form
   92,814.12/139,198.85 = 42,846.23/x
3. Step 3: Cross multiply
   92,814.12x = 139,198.85 × 42,846.23
4. Step 4: Simplify right side
   92,814.12x = 5,964,146,500.77
5. Step 5: Solve for x
   x = 5,964,146,500.77/92,814.12
6. Step 6: Final answer
   x = 64,259.05