Finding the Fourth Proportional to 3,061.39, 4,592.78 and 981.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.39 : 4,592.78 = 981.58 : x
2. Step 2: Convert to fraction form
   3,061.39/4,592.78 = 981.58/x
3. Step 3: Cross multiply
   3,061.39x = 4,592.78 × 981.58
4. Step 4: Simplify right side
   3,061.39x = 4,508,176.08
5. Step 5: Solve for x
   x = 4,508,176.08/3,061.39
6. Step 6: Final answer
   x = 1,472.59