Finding the Fourth Proportional to 2,812,583,905.54, 3,881,009,047.98 and 1,542,090,561.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812,583,905.54 : 3,881,009,047.98 = 1,542,090,561.45 : x
2. Step 2: Convert to fraction form
   2,812,583,905.54/3,881,009,047.98 = 1,542,090,561.45/x
3. Step 3: Cross multiply
   2,812,583,905.54x = 3,881,009,047.98 × 1,542,090,561.45
4. Step 4: Simplify right side
   2,812,583,905.54x = 5,984,867,421,792,008,192
5. Step 5: Solve for x
   x = 5,984,867,421,792,008,192/2,812,583,905.54
6. Step 6: Final answer
   x = 2,127,889,379.59