Finding the Fourth Proportional to 2,890.88, 4,332.52 and 1,157.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.88 : 4,332.52 = 1,157.48 : x
2. Step 2: Convert to fraction form
   2,890.88/4,332.52 = 1,157.48/x
3. Step 3: Cross multiply
   2,890.88x = 4,332.52 × 1,157.48
4. Step 4: Simplify right side
   2,890.88x = 5,014,805.25
5. Step 5: Solve for x
   x = 5,014,805.25/2,890.88
6. Step 6: Final answer
   x = 1,734.70