Finding the Fourth Proportional to 2,178,435.02, 3,005,744.20 and 1,260,641.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,435.02 : 3,005,744.20 = 1,260,641.02 : x
2. Step 2: Convert to fraction form
   2,178,435.02/3,005,744.20 = 1,260,641.02/x
3. Step 3: Cross multiply
   2,178,435.02x = 3,005,744.20 × 1,260,641.02
4. Step 4: Simplify right side
   2,178,435.02x = 3,789,164,434,147.08
5. Step 5: Solve for x
   x = 3,789,164,434,147.08/2,178,435.02
6. Step 6: Final answer
   x = 1,739,397.50