Finding the Fourth Proportional to 3,061.57, 4,592.34 and 981.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.57 : 4,592.34 = 981.55 : x
2. Step 2: Convert to fraction form
   3,061.57/4,592.34 = 981.55/x
3. Step 3: Cross multiply
   3,061.57x = 4,592.34 × 981.55
4. Step 4: Simplify right side
   3,061.57x = 4,507,611.33
5. Step 5: Solve for x
   x = 4,507,611.33/3,061.57
6. Step 6: Final answer
   x = 1,472.32