Finding the Fourth Proportional to 1,955.58, 2,931.78 and 1,337.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.58 : 2,931.78 = 1,337.76 : x
2. Step 2: Convert to fraction form
   1,955.58/2,931.78 = 1,337.76/x
3. Step 3: Cross multiply
   1,955.58x = 2,931.78 × 1,337.76
4. Step 4: Simplify right side
   1,955.58x = 3,922,018.01
5. Step 5: Solve for x
   x = 3,922,018.01/1,955.58
6. Step 6: Final answer
   x = 2,005.55