Finding the Fourth Proportional to 2,070.78, 3,104.74 and 975.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.78 : 3,104.74 = 975.25 : x
2. Step 2: Convert to fraction form
   2,070.78/3,104.74 = 975.25/x
3. Step 3: Cross multiply
   2,070.78x = 3,104.74 × 975.25
4. Step 4: Simplify right side
   2,070.78x = 3,027,897.69
5. Step 5: Solve for x
   x = 3,027,897.69/2,070.78
6. Step 6: Final answer
   x = 1,462.20