Finding the Fourth Proportional to 7,482.86, 10,322.56 and 5,711.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,482.86 : 10,322.56 = 5,711.40 : x
2. Step 2: Convert to fraction form
   7,482.86/10,322.56 = 5,711.40/x
3. Step 3: Cross multiply
   7,482.86x = 10,322.56 × 5,711.40
4. Step 4: Simplify right side
   7,482.86x = 58,956,269.18
5. Step 5: Solve for x
   x = 58,956,269.18/7,482.86
6. Step 6: Final answer
   x = 7,878.84