Finding the Fourth Proportional to 1,892.50, 2,836.73 and 916.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.50 : 2,836.73 = 916.46 : x
2. Step 2: Convert to fraction form
   1,892.50/2,836.73 = 916.46/x
3. Step 3: Cross multiply
   1,892.50x = 2,836.73 × 916.46
4. Step 4: Simplify right side
   1,892.50x = 2,599,749.58
5. Step 5: Solve for x
   x = 2,599,749.58/1,892.50
6. Step 6: Final answer
   x = 1,373.71