Finding the Fourth Proportional to 10,488.58, 14,474.37 and 5,772.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.58 : 14,474.37 = 5,772.90 : x
2. Step 2: Convert to fraction form
   10,488.58/14,474.37 = 5,772.90/x
3. Step 3: Cross multiply
   10,488.58x = 14,474.37 × 5,772.90
4. Step 4: Simplify right side
   10,488.58x = 83,559,090.57
5. Step 5: Solve for x
   x = 83,559,090.57/10,488.58
6. Step 6: Final answer
   x = 7,966.67