Finding the Fourth Proportional to 1,888,773.59, 2,606,431.52 and 1,029,315.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888,773.59 : 2,606,431.52 = 1,029,315.40 : x
2. Step 2: Convert to fraction form
   1,888,773.59/2,606,431.52 = 1,029,315.40/x
3. Step 3: Cross multiply
   1,888,773.59x = 2,606,431.52 × 1,029,315.40
4. Step 4: Simplify right side
   1,888,773.59x = 2,682,840,092,848.72
5. Step 5: Solve for x
   x = 2,682,840,092,848.72/1,888,773.59
6. Step 6: Final answer
   x = 1,420,413.81