Finding the Fourth Proportional to 7,528.86, 10,389.63 and 4,171.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,528.86 : 10,389.63 = 4,171.59 : x
2. Step 2: Convert to fraction form
   7,528.86/10,389.63 = 4,171.59/x
3. Step 3: Cross multiply
   7,528.86x = 10,389.63 × 4,171.59
4. Step 4: Simplify right side
   7,528.86x = 43,341,276.61
5. Step 5: Solve for x
   x = 43,341,276.61/7,528.86
6. Step 6: Final answer
   x = 5,756.69