Finding the Fourth Proportional to 1,864,993,480.42, 2,573,677,678.17 and 1,018,220,776.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864,993,480.42 : 2,573,677,678.17 = 1,018,220,776.72 : x
2. Step 2: Convert to fraction form
   1,864,993,480.42/2,573,677,678.17 = 1,018,220,776.72/x
3. Step 3: Cross multiply
   1,864,993,480.42x = 2,573,677,678.17 × 1,018,220,776.72
4. Step 4: Simplify right side
   1,864,993,480.42x = 2,620,572,084,493,183,488
5. Step 5: Solve for x
   x = 2,620,572,084,493,183,488/1,864,993,480.42
6. Step 6: Final answer
   x = 1,405,137,397.00