Finding the Fourth Proportional to 868,900,100.32, 1,199,123,132.18 and 492,563,982.04

Step by Step Solution

1. Step 1: Write the proportion equation
   868,900,100.32 : 1,199,123,132.18 = 492,563,982.04 : x
2. Step 2: Convert to fraction form
   868,900,100.32/1,199,123,132.18 = 492,563,982.04/x
3. Step 3: Cross multiply
   868,900,100.32x = 1,199,123,132.18 × 492,563,982.04
4. Step 4: Simplify right side
   868,900,100.32x = 590,644,864,942,858,112
5. Step 5: Solve for x
   x = 590,644,864,942,858,112/868,900,100.32
6. Step 6: Final answer
   x = 679,761,533.83