Finding the Fourth Proportional to 1,008,891.72, 1,513,365.57 and 250,702.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,891.72 : 1,513,365.57 = 250,702.56 : x
2. Step 2: Convert to fraction form
   1,008,891.72/1,513,365.57 = 250,702.56/x
3. Step 3: Cross multiply
   1,008,891.72x = 1,513,365.57 × 250,702.56
4. Step 4: Simplify right side
   1,008,891.72x = 379,404,622,614.86
5. Step 5: Solve for x
   x = 379,404,622,614.86/1,008,891.72
6. Step 6: Final answer
   x = 376,060.80