Finding the Fourth Proportional to 140,697.32, 194,141.39 and 85,477.98

Step by Step Solution

1. Step 1: Write the proportion equation
   140,697.32 : 194,141.39 = 85,477.98 : x
2. Step 2: Convert to fraction form
   140,697.32/194,141.39 = 85,477.98/x
3. Step 3: Cross multiply
   140,697.32x = 194,141.39 × 85,477.98
4. Step 4: Simplify right side
   140,697.32x = 16,594,813,424.20
5. Step 5: Solve for x
   x = 16,594,813,424.20/140,697.32
6. Step 6: Final answer
   x = 117,946.90