Finding the Fourth Proportional to 56,949.96, 85,365.50 and 19,499

Step by Step Solution

1. Step 1: Write the proportion equation
   56,949.96 : 85,365.50 = 19,499 : x
2. Step 2: Convert to fraction form
   56,949.96/85,365.50 = 19,499/x
3. Step 3: Cross multiply
   56,949.96x = 85,365.50 × 19,499
4. Step 4: Simplify right side
   56,949.96x = 1,664,541,884.50
5. Step 5: Solve for x
   x = 1,664,541,884.50/56,949.96
6. Step 6: Final answer
   x = 29,228.15