Finding the Fourth Proportional to 10,488.16, 14,473.30 and 5,772.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.16 : 14,473.30 = 5,772.43 : x
2. Step 2: Convert to fraction form
   10,488.16/14,473.30 = 5,772.43/x
3. Step 3: Cross multiply
   10,488.16x = 14,473.30 × 5,772.43
4. Step 4: Simplify right side
   10,488.16x = 83,546,111.12
5. Step 5: Solve for x
   x = 83,546,111.12/10,488.16
6. Step 6: Final answer
   x = 7,965.75