Finding the Fourth Proportional to 1,931.84, 2,901.72 and 1,274.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.84 : 2,901.72 = 1,274.67 : x
2. Step 2: Convert to fraction form
   1,931.84/2,901.72 = 1,274.67/x
3. Step 3: Cross multiply
   1,931.84x = 2,901.72 × 1,274.67
4. Step 4: Simplify right side
   1,931.84x = 3,698,735.43
5. Step 5: Solve for x
   x = 3,698,735.43/1,931.84
6. Step 6: Final answer
   x = 1,914.62