Finding the Fourth Proportional to 5,185, 7,152.84 and 3,507

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185 : 7,152.84 = 3,507 : x
2. Step 2: Convert to fraction form
   5,185/7,152.84 = 3,507/x
3. Step 3: Cross multiply
   5,185x = 7,152.84 × 3,507
4. Step 4: Simplify right side
   5,185x = 25,085,009.88
5. Step 5: Solve for x
   x = 25,085,009.88/5,185
6. Step 6: Final answer
   x = 4,838.00