Finding the Fourth Proportional to 3,998,667.78, 5,518,024.29 and 2,280,341.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998,667.78 : 5,518,024.29 = 2,280,341.34 : x
2. Step 2: Convert to fraction form
   3,998,667.78/5,518,024.29 = 2,280,341.34/x
3. Step 3: Cross multiply
   3,998,667.78x = 5,518,024.29 × 2,280,341.34
4. Step 4: Simplify right side
   3,998,667.78x = 12,582,978,903,611.15
5. Step 5: Solve for x
   x = 12,582,978,903,611.15/3,998,667.78
6. Step 6: Final answer
   x = 3,146,792.78