Finding the Fourth Proportional to 1,776,612.10, 2,664,140.55 and 711,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,612.10 : 2,664,140.55 = 711,300.10 : x
2. Step 2: Convert to fraction form
   1,776,612.10/2,664,140.55 = 711,300.10/x
3. Step 3: Cross multiply
   1,776,612.10x = 2,664,140.55 × 711,300.10
4. Step 4: Simplify right side
   1,776,612.10x = 1,895,003,439,629.05
5. Step 5: Solve for x
   x = 1,895,003,439,629.05/1,776,612.10
6. Step 6: Final answer
   x = 1,066,638.82