Finding the Fourth Proportional to 1,410,872,642.10, 2,113,758,046.35 and 1,206,799,298.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410,872,642.10 : 2,113,758,046.35 = 1,206,799,298.10 : x
2. Step 2: Convert to fraction form
   1,410,872,642.10/2,113,758,046.35 = 1,206,799,298.10/x
3. Step 3: Cross multiply
   1,410,872,642.10x = 2,113,758,046.35 × 1,206,799,298.10
4. Step 4: Simplify right side
   1,410,872,642.10x = 2,550,881,726,688,407,040
5. Step 5: Solve for x
   x = 2,550,881,726,688,407,040/1,410,872,642.10
6. Step 6: Final answer
   x = 1,808,017,003.50