Finding the Fourth Proportional to 1,406,685, 2,103,999.12 and 1,304,579.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,685 : 2,103,999.12 = 1,304,579.52 : x
2. Step 2: Convert to fraction form
   1,406,685/2,103,999.12 = 1,304,579.52/x
3. Step 3: Cross multiply
   1,406,685x = 2,103,999.12 × 1,304,579.52
4. Step 4: Simplify right side
   1,406,685x = 2,744,834,162,050.02
5. Step 5: Solve for x
   x = 2,744,834,162,050.02/1,406,685
6. Step 6: Final answer
   x = 1,951,278.48