Finding the Fourth Proportional to 10,488.21, 14,473.62 and 5,772.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.21 : 14,473.62 = 5,772.39 : x
2. Step 2: Convert to fraction form
   10,488.21/14,473.62 = 5,772.39/x
3. Step 3: Cross multiply
   10,488.21x = 14,473.62 × 5,772.39
4. Step 4: Simplify right side
   10,488.21x = 83,547,379.35
5. Step 5: Solve for x
   x = 83,547,379.35/10,488.21
6. Step 6: Final answer
   x = 7,965.84