Finding the Fourth Proportional to 2,981.57, 4,470.63 and 1,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.57 : 4,470.63 = 1,131.50 : x
2. Step 2: Convert to fraction form
   2,981.57/4,470.63 = 1,131.50/x
3. Step 3: Cross multiply
   2,981.57x = 4,470.63 × 1,131.50
4. Step 4: Simplify right side
   2,981.57x = 5,058,495.49
5. Step 5: Solve for x
   x = 5,058,495.49/2,981.57
6. Step 6: Final answer
   x = 1,696.59