Finding the Fourth Proportional to 5,053.32, 7,574.38 and 3,816.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,053.32 : 7,574.38 = 3,816.72 : x
2. Step 2: Convert to fraction form
   5,053.32/7,574.38 = 3,816.72/x
3. Step 3: Cross multiply
   5,053.32x = 7,574.38 × 3,816.72
4. Step 4: Simplify right side
   5,053.32x = 28,909,287.63
5. Step 5: Solve for x
   x = 28,909,287.63/5,053.32
6. Step 6: Final answer
   x = 5,720.85