Finding the Fourth Proportional to 683,443.89, 934,956.09 and 680,565.29

Step by Step Solution

1. Step 1: Write the proportion equation
   683,443.89 : 934,956.09 = 680,565.29 : x
2. Step 2: Convert to fraction form
   683,443.89/934,956.09 = 680,565.29/x
3. Step 3: Cross multiply
   683,443.89x = 934,956.09 × 680,565.29
4. Step 4: Simplify right side
   683,443.89x = 636,298,657,853.34
5. Step 5: Solve for x
   x = 636,298,657,853.34/683,443.89
6. Step 6: Final answer
   x = 931,018.14