Finding the Fourth Proportional to 994,107,707.62, 1,371,870,148.17 and 554,065,111.78

Step by Step Solution

1. Step 1: Write the proportion equation
   994,107,707.62 : 1,371,870,148.17 = 554,065,111.78 : x
2. Step 2: Convert to fraction form
   994,107,707.62/1,371,870,148.17 = 554,065,111.78/x
3. Step 3: Cross multiply
   994,107,707.62x = 1,371,870,148.17 × 554,065,111.78
4. Step 4: Simplify right side
   994,107,707.62x = 760,105,386,993,456,256
5. Step 5: Solve for x
   x = 760,105,386,993,456,256/994,107,707.62
6. Step 6: Final answer
   x = 764,610,696.78