Finding the Fourth Proportional to 1,316.43, 1,816.42 and 792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,316.43 : 1,816.42 = 792.50 : x
2. Step 2: Convert to fraction form
   1,316.43/1,816.42 = 792.50/x
3. Step 3: Cross multiply
   1,316.43x = 1,816.42 × 792.50
4. Step 4: Simplify right side
   1,316.43x = 1,439,501.79
5. Step 5: Solve for x
   x = 1,439,501.79/1,316.43
6. Step 6: Final answer
   x = 1,093.49