Finding the Fourth Proportional to 199,321.29, 298,891.89 and 57,134.03

Step by Step Solution

1. Step 1: Write the proportion equation
   199,321.29 : 298,891.89 = 57,134.03 : x
2. Step 2: Convert to fraction form
   199,321.29/298,891.89 = 57,134.03/x
3. Step 3: Cross multiply
   199,321.29x = 298,891.89 × 57,134.03
4. Step 4: Simplify right side
   199,321.29x = 17,076,896,715.56
5. Step 5: Solve for x
   x = 17,076,896,715.56/199,321.29
6. Step 6: Final answer
   x = 85,675.23