Finding the Fourth Proportional to 2,799.61, 4,200.24 and 1,156.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.61 : 4,200.24 = 1,156.25 : x
2. Step 2: Convert to fraction form
   2,799.61/4,200.24 = 1,156.25/x
3. Step 3: Cross multiply
   2,799.61x = 4,200.24 × 1,156.25
4. Step 4: Simplify right side
   2,799.61x = 4,856,527.50
5. Step 5: Solve for x
   x = 4,856,527.50/2,799.61
6. Step 6: Final answer
   x = 1,734.72