Finding the Fourth Proportional to 1,123,892,891.37, 1,685,258,458.92 and 493,366,882.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,892,891.37 : 1,685,258,458.92 = 493,366,882.05 : x
2. Step 2: Convert to fraction form
   1,123,892,891.37/1,685,258,458.92 = 493,366,882.05/x
3. Step 3: Cross multiply
   1,123,892,891.37x = 1,685,258,458.92 × 493,366,882.05
4. Step 4: Simplify right side
   1,123,892,891.37x = 831,450,711,325,748,480
5. Step 5: Solve for x
   x = 831,450,711,325,748,480/1,123,892,891.37
6. Step 6: Final answer
   x = 739,795,328.99