Finding the Fourth Proportional to 166,899.02, 250,348.71 and 42,240.02

Step by Step Solution

1. Step 1: Write the proportion equation
   166,899.02 : 250,348.71 = 42,240.02 : x
2. Step 2: Convert to fraction form
   166,899.02/250,348.71 = 42,240.02/x
3. Step 3: Cross multiply
   166,899.02x = 250,348.71 × 42,240.02
4. Step 4: Simplify right side
   166,899.02x = 10,574,734,517.37
5. Step 5: Solve for x
   x = 10,574,734,517.37/166,899.02
6. Step 6: Final answer
   x = 63,360.08