Finding the Fourth Proportional to 1,890,405.12, 2,608,914.36 and 1,074,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,405.12 : 2,608,914.36 = 1,074,864.72 : x
2. Step 2: Convert to fraction form
   1,890,405.12/2,608,914.36 = 1,074,864.72/x
3. Step 3: Cross multiply
   1,890,405.12x = 2,608,914.36 × 1,074,864.72
4. Step 4: Simplify right side
   1,890,405.12x = 2,804,230,003,065.38
5. Step 5: Solve for x
   x = 2,804,230,003,065.38/1,890,405.12
6. Step 6: Final answer
   x = 1,483,401.61