Finding the Fourth Proportional to 92,885.82, 128,181.87 and 50,443.98

Step by Step Solution

1. Step 1: Write the proportion equation
   92,885.82 : 128,181.87 = 50,443.98 : x
2. Step 2: Convert to fraction form
   92,885.82/128,181.87 = 50,443.98/x
3. Step 3: Cross multiply
   92,885.82x = 128,181.87 × 50,443.98
4. Step 4: Simplify right side
   92,885.82x = 6,466,003,686.64
5. Step 5: Solve for x
   x = 6,466,003,686.64/92,885.82
6. Step 6: Final answer
   x = 69,612.39