Finding the Fourth Proportional to 1,069,538.84, 1,603,228.72 and 670,459.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,538.84 : 1,603,228.72 = 670,459.88 : x
2. Step 2: Convert to fraction form
   1,069,538.84/1,603,228.72 = 670,459.88/x
3. Step 3: Cross multiply
   1,069,538.84x = 1,603,228.72 × 670,459.88
4. Step 4: Simplify right side
   1,069,538.84x = 1,074,900,535,223.75
5. Step 5: Solve for x
   x = 1,074,900,535,223.75/1,069,538.84
6. Step 6: Final answer
   x = 1,005,013.09