Finding the Fourth Proportional to 1,572.54, 2,357.71 and 914.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572.54 : 2,357.71 = 914.82 : x
2. Step 2: Convert to fraction form
   1,572.54/2,357.71 = 914.82/x
3. Step 3: Cross multiply
   1,572.54x = 2,357.71 × 914.82
4. Step 4: Simplify right side
   1,572.54x = 2,156,880.26
5. Step 5: Solve for x
   x = 2,156,880.26/1,572.54
6. Step 6: Final answer
   x = 1,371.59