Finding the Fourth Proportional to 2,242.50, 3,095.06 and 1,298.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.50 : 3,095.06 = 1,298.90 : x
2. Step 2: Convert to fraction form
   2,242.50/3,095.06 = 1,298.90/x
3. Step 3: Cross multiply
   2,242.50x = 3,095.06 × 1,298.90
4. Step 4: Simplify right side
   2,242.50x = 4,020,151.46
5. Step 5: Solve for x
   x = 4,020,151.46/2,242.50
6. Step 6: Final answer
   x = 1,792.71