Finding the Fourth Proportional to 1,096,066.30, 1,643,920.17 and 385,927.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,066.30 : 1,643,920.17 = 385,927.42 : x
2. Step 2: Convert to fraction form
   1,096,066.30/1,643,920.17 = 385,927.42/x
3. Step 3: Cross multiply
   1,096,066.30x = 1,643,920.17 × 385,927.42
4. Step 4: Simplify right side
   1,096,066.30x = 634,433,869,894.06
5. Step 5: Solve for x
   x = 634,433,869,894.06/1,096,066.30
6. Step 6: Final answer
   x = 578,828.01