Finding the Fourth Proportional to 1,405,362,553.98, 2,108,484,386.73 and 845,735,011.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,362,553.98 : 2,108,484,386.73 = 845,735,011.98 : x
2. Step 2: Convert to fraction form
   1,405,362,553.98/2,108,484,386.73 = 845,735,011.98/x
3. Step 3: Cross multiply
   1,405,362,553.98x = 2,108,484,386.73 × 845,735,011.98
4. Step 4: Simplify right side
   1,405,362,553.98x = 1,783,219,068,070,739,456
5. Step 5: Solve for x
   x = 1,783,219,068,070,739,456/1,405,362,553.98
6. Step 6: Final answer
   x = 1,268,867,640.61