Finding the Fourth Proportional to 196,695.31, 295,086.84 and 56,443

Step by Step Solution

1. Step 1: Write the proportion equation
   196,695.31 : 295,086.84 = 56,443 : x
2. Step 2: Convert to fraction form
   196,695.31/295,086.84 = 56,443/x
3. Step 3: Cross multiply
   196,695.31x = 295,086.84 × 56,443
4. Step 4: Simplify right side
   196,695.31x = 16,655,586,510.12
5. Step 5: Solve for x
   x = 16,655,586,510.12/196,695.31
6. Step 6: Final answer
   x = 84,677.09