Finding the Fourth Proportional to 2,981.56, 4,113.89 and 1,802.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.56 : 4,113.89 = 1,802.60 : x
2. Step 2: Convert to fraction form
   2,981.56/4,113.89 = 1,802.60/x
3. Step 3: Cross multiply
   2,981.56x = 4,113.89 × 1,802.60
4. Step 4: Simplify right side
   2,981.56x = 7,415,713.86
5. Step 5: Solve for x
   x = 7,415,713.86/2,981.56
6. Step 6: Final answer
   x = 2,487.19