Finding the Fourth Proportional to 1,357.73, 1,875.20 and 914.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.73 : 1,875.20 = 914.87 : x
2. Step 2: Convert to fraction form
   1,357.73/1,875.20 = 914.87/x
3. Step 3: Cross multiply
   1,357.73x = 1,875.20 × 914.87
4. Step 4: Simplify right side
   1,357.73x = 1,715,550.27
5. Step 5: Solve for x
   x = 1,715,550.27/1,357.73
6. Step 6: Final answer
   x = 1,263.55