Finding the Fourth Proportional to 1,410,872,624.10, 2,113,758,019.35 and 1,206,799,280.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410,872,624.10 : 2,113,758,019.35 = 1,206,799,280.10 : x
2. Step 2: Convert to fraction form
   1,410,872,624.10/2,113,758,019.35 = 1,206,799,280.10/x
3. Step 3: Cross multiply
   1,410,872,624.10x = 2,113,758,019.35 × 1,206,799,280.10
4. Step 4: Simplify right side
   1,410,872,624.10x = 2,550,881,656,057,181,696
5. Step 5: Solve for x
   x = 2,550,881,656,057,181,696/1,410,872,624.10
6. Step 6: Final answer
   x = 1,808,016,976.50