Finding the Fourth Proportional to 56,945.96, 85,359.50 and 19,495

Step by Step Solution

1. Step 1: Write the proportion equation
   56,945.96 : 85,359.50 = 19,495 : x
2. Step 2: Convert to fraction form
   56,945.96/85,359.50 = 19,495/x
3. Step 3: Cross multiply
   56,945.96x = 85,359.50 × 19,495
4. Step 4: Simplify right side
   56,945.96x = 1,664,083,452.50
5. Step 5: Solve for x
   x = 1,664,083,452.50/56,945.96
6. Step 6: Final answer
   x = 29,222.15