Finding the Fourth Proportional to 1,066,275.65, 1,599,513.71 and 392,369.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,275.65 : 1,599,513.71 = 392,369.82 : x
2. Step 2: Convert to fraction form
   1,066,275.65/1,599,513.71 = 392,369.82/x
3. Step 3: Cross multiply
   1,066,275.65x = 1,599,513.71 × 392,369.82
4. Step 4: Simplify right side
   1,066,275.65x = 627,600,904,518.38
5. Step 5: Solve for x
   x = 627,600,904,518.38/1,066,275.65
6. Step 6: Final answer
   x = 588,591.62