Finding the Fourth Proportional to 5,106.13, 7,643.28 and 3,933.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,106.13 : 7,643.28 = 3,933.10 : x
2. Step 2: Convert to fraction form
   5,106.13/7,643.28 = 3,933.10/x
3. Step 3: Cross multiply
   5,106.13x = 7,643.28 × 3,933.10
4. Step 4: Simplify right side
   5,106.13x = 30,061,784.57
5. Step 5: Solve for x
   x = 30,061,784.57/5,106.13
6. Step 6: Final answer
   x = 5,887.39