Finding the Fourth Proportional to 7,523.42, 10,383.15 and 5,428.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,523.42 : 10,383.15 = 5,428.86 : x
2. Step 2: Convert to fraction form
   7,523.42/10,383.15 = 5,428.86/x
3. Step 3: Cross multiply
   7,523.42x = 10,383.15 × 5,428.86
4. Step 4: Simplify right side
   7,523.42x = 56,368,667.71
5. Step 5: Solve for x
   x = 56,368,667.71/7,523.42
6. Step 6: Final answer
   x = 7,492.43