Finding the Fourth Proportional to 413,870.01, 571,144.37 and 250,530.27

Step by Step Solution

1. Step 1: Write the proportion equation
   413,870.01 : 571,144.37 = 250,530.27 : x
2. Step 2: Convert to fraction form
   413,870.01/571,144.37 = 250,530.27/x
3. Step 3: Cross multiply
   413,870.01x = 571,144.37 × 250,530.27
4. Step 4: Simplify right side
   413,870.01x = 143,088,949,830.64
5. Step 5: Solve for x
   x = 143,088,949,830.64/413,870.01
6. Step 6: Final answer
   x = 345,734.04