Finding the Fourth Proportional to 1,267,084.46, 1,900,428.42 and 414,149.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,084.46 : 1,900,428.42 = 414,149.60 : x
2. Step 2: Convert to fraction form
   1,267,084.46/1,900,428.42 = 414,149.60/x
3. Step 3: Cross multiply
   1,267,084.46x = 1,900,428.42 × 414,149.60
4. Step 4: Simplify right side
   1,267,084.46x = 787,061,669,971.63
5. Step 5: Solve for x
   x = 787,061,669,971.63/1,267,084.46
6. Step 6: Final answer
   x = 621,159.59