Finding the Fourth Proportional to 1,267,086.96, 1,900,432.17 and 414,152.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,086.96 : 1,900,432.17 = 414,152.10 : x
2. Step 2: Convert to fraction form
   1,267,086.96/1,900,432.17 = 414,152.10/x
3. Step 3: Cross multiply
   1,267,086.96x = 1,900,432.17 × 414,152.10
4. Step 4: Simplify right side
   1,267,086.96x = 787,067,974,113.06
5. Step 5: Solve for x
   x = 787,067,974,113.06/1,267,086.96
6. Step 6: Final answer
   x = 621,163.34