Finding the Fourth Proportional to 10,002.55, 14,991.27 and 5,073.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.55 : 14,991.27 = 5,073.43 : x
2. Step 2: Convert to fraction form
   10,002.55/14,991.27 = 5,073.43/x
3. Step 3: Cross multiply
   10,002.55x = 14,991.27 × 5,073.43
4. Step 4: Simplify right side
   10,002.55x = 76,057,158.96
5. Step 5: Solve for x
   x = 76,057,158.96/10,002.55
6. Step 6: Final answer
   x = 7,603.78