Finding the Fourth Proportional to 1,386,399.33, 2,079,592.52 and 375,519.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386,399.33 : 2,079,592.52 = 375,519.33 : x
2. Step 2: Convert to fraction form
   1,386,399.33/2,079,592.52 = 375,519.33/x
3. Step 3: Cross multiply
   1,386,399.33x = 2,079,592.52 × 375,519.33
4. Step 4: Simplify right side
   1,386,399.33x = 780,927,187,905.82
5. Step 5: Solve for x
   x = 780,927,187,905.82/1,386,399.33
6. Step 6: Final answer
   x = 563,277.24