Finding the Fourth Proportional to 931,243.25, 1,285,580.72 and 609,444.88

Step by Step Solution

1. Step 1: Write the proportion equation
   931,243.25 : 1,285,580.72 = 609,444.88 : x
2. Step 2: Convert to fraction form
   931,243.25/1,285,580.72 = 609,444.88/x
3. Step 3: Cross multiply
   931,243.25x = 1,285,580.72 × 609,444.88
4. Step 4: Simplify right side
   931,243.25x = 783,490,585,940.37
5. Step 5: Solve for x
   x = 783,490,585,940.37/931,243.25
6. Step 6: Final answer
   x = 841,338.27