Finding the Fourth Proportional to 10,327.94, 15,492.49 and 2,931.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,327.94 : 15,492.49 = 2,931.81 : x
2. Step 2: Convert to fraction form
   10,327.94/15,492.49 = 2,931.81/x
3. Step 3: Cross multiply
   10,327.94x = 15,492.49 × 2,931.81
4. Step 4: Simplify right side
   10,327.94x = 45,421,037.11
5. Step 5: Solve for x
   x = 45,421,037.11/10,327.94
6. Step 6: Final answer
   x = 4,397.88