Finding the Fourth Proportional to 1,227,490.16, 1,693,869.69 and 676,098.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,490.16 : 1,693,869.69 = 676,098.54 : x
2. Step 2: Convert to fraction form
   1,227,490.16/1,693,869.69 = 676,098.54/x
3. Step 3: Cross multiply
   1,227,490.16x = 1,693,869.69 × 676,098.54
4. Step 4: Simplify right side
   1,227,490.16x = 1,145,222,824,359.25
5. Step 5: Solve for x
   x = 1,145,222,824,359.25/1,227,490.16
6. Step 6: Final answer
   x = 932,979.23