Finding the Fourth Proportional to 2,070.98, 3,108.63 and 1,523.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.98 : 3,108.63 = 1,523.78 : x
2. Step 2: Convert to fraction form
   2,070.98/3,108.63 = 1,523.78/x
3. Step 3: Cross multiply
   2,070.98x = 3,108.63 × 1,523.78
4. Step 4: Simplify right side
   2,070.98x = 4,736,868.22
5. Step 5: Solve for x
   x = 4,736,868.22/2,070.98
6. Step 6: Final answer
   x = 2,287.26