Finding the Fourth Proportional to 10,064.32, 15,089.59 and 5,124.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.32 : 15,089.59 = 5,124.40 : x
2. Step 2: Convert to fraction form
   10,064.32/15,089.59 = 5,124.40/x
3. Step 3: Cross multiply
   10,064.32x = 15,089.59 × 5,124.40
4. Step 4: Simplify right side
   10,064.32x = 77,325,095.00
5. Step 5: Solve for x
   x = 77,325,095.00/10,064.32
6. Step 6: Final answer
   x = 7,683.09