Finding the Fourth Proportional to 9,977.42, 14,946.98 and 5,581.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.42 : 14,946.98 = 5,581.56 : x
2. Step 2: Convert to fraction form
   9,977.42/14,946.98 = 5,581.56/x
3. Step 3: Cross multiply
   9,977.42x = 14,946.98 × 5,581.56
4. Step 4: Simplify right side
   9,977.42x = 83,427,465.69
5. Step 5: Solve for x
   x = 83,427,465.69/9,977.42
6. Step 6: Final answer
   x = 8,361.63