Finding the Fourth Proportional to 1,499,962.16, 2,069,951.28 and 820,942.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,962.16 : 2,069,951.28 = 820,942.40 : x
2. Step 2: Convert to fraction form
   1,499,962.16/2,069,951.28 = 820,942.40/x
3. Step 3: Cross multiply
   1,499,962.16x = 2,069,951.28 × 820,942.40
4. Step 4: Simplify right side
   1,499,962.16x = 1,699,310,771,686.27
5. Step 5: Solve for x
   x = 1,699,310,771,686.27/1,499,962.16
6. Step 6: Final answer
   x = 1,132,902.43