Finding the Fourth Proportional to 1,807,436.03, 2,494,287.17 and 991,624.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807,436.03 : 2,494,287.17 = 991,624.89 : x
2. Step 2: Convert to fraction form
   1,807,436.03/2,494,287.17 = 991,624.89/x
3. Step 3: Cross multiply
   1,807,436.03x = 2,494,287.17 × 991,624.89
4. Step 4: Simplify right side
   1,807,436.03x = 2,473,397,223,150.10
5. Step 5: Solve for x
   x = 2,473,397,223,150.10/1,807,436.03
6. Step 6: Final answer
   x = 1,368,456.30