Finding the Fourth Proportional to 1,388,453.34, 1,916,040.24 and 784,841.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,453.34 : 1,916,040.24 = 784,841.34 : x
2. Step 2: Convert to fraction form
   1,388,453.34/1,916,040.24 = 784,841.34/x
3. Step 3: Cross multiply
   1,388,453.34x = 1,916,040.24 × 784,841.34
4. Step 4: Simplify right side
   1,388,453.34x = 1,503,787,589,455.52
5. Step 5: Solve for x
   x = 1,503,787,589,455.52/1,388,453.34
6. Step 6: Final answer
   x = 1,083,066.71