Finding the Fourth Proportional to 1,227,363.84, 1,693,714.86 and 683,522.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,363.84 : 1,693,714.86 = 683,522.55 : x
2. Step 2: Convert to fraction form
   1,227,363.84/1,693,714.86 = 683,522.55/x
3. Step 3: Cross multiply
   1,227,363.84x = 1,693,714.86 × 683,522.55
4. Step 4: Simplify right side
   1,227,363.84x = 1,157,692,300,080.09
5. Step 5: Solve for x
   x = 1,157,692,300,080.09/1,227,363.84
6. Step 6: Final answer
   x = 943,234.81