Finding the Fourth Proportional to 2,630.07, 3,941.34 and 1,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.07 : 3,941.34 = 1,931.25 : x
2. Step 2: Convert to fraction form
   2,630.07/3,941.34 = 1,931.25/x
3. Step 3: Cross multiply
   2,630.07x = 3,941.34 × 1,931.25
4. Step 4: Simplify right side
   2,630.07x = 7,611,725.14
5. Step 5: Solve for x
   x = 7,611,725.14/2,630.07
6. Step 6: Final answer
   x = 2,894.12