Finding the Fourth Proportional to 5,490.84, 7,575.30 and 3,500.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,490.84 : 7,575.30 = 3,500.94 : x
2. Step 2: Convert to fraction form
   5,490.84/7,575.30 = 3,500.94/x
3. Step 3: Cross multiply
   5,490.84x = 7,575.30 × 3,500.94
4. Step 4: Simplify right side
   5,490.84x = 26,520,670.78
5. Step 5: Solve for x
   x = 26,520,670.78/5,490.84
6. Step 6: Final answer
   x = 4,829.98