Finding the Fourth Proportional to 1,639,124.03, 2,262,019.01 and 904,162.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,639,124.03 : 2,262,019.01 = 904,162.62 : x
2. Step 2: Convert to fraction form
   1,639,124.03/2,262,019.01 = 904,162.62/x
3. Step 3: Cross multiply
   1,639,124.03x = 2,262,019.01 × 904,162.62
4. Step 4: Simplify right side
   1,639,124.03x = 2,045,233,030,050.59
5. Step 5: Solve for x
   x = 2,045,233,030,050.59/1,639,124.03
6. Step 6: Final answer
   x = 1,247,759.78