Finding the Fourth Proportional to 2,706.45, 4,059.71 and 1,407

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706.45 : 4,059.71 = 1,407 : x
2. Step 2: Convert to fraction form
   2,706.45/4,059.71 = 1,407/x
3. Step 3: Cross multiply
   2,706.45x = 4,059.71 × 1,407
4. Step 4: Simplify right side
   2,706.45x = 5,712,004.94
5. Step 5: Solve for x
   x = 5,712,004.94/2,706.45
6. Step 6: Final answer
   x = 2,110.52