Finding the Fourth Proportional to 10,199.88, 14,075.62 and 5,723.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,199.88 : 14,075.62 = 5,723.72 : x
2. Step 2: Convert to fraction form
   10,199.88/14,075.62 = 5,723.72/x
3. Step 3: Cross multiply
   10,199.88x = 14,075.62 × 5,723.72
4. Step 4: Simplify right side
   10,199.88x = 80,564,907.71
5. Step 5: Solve for x
   x = 80,564,907.71/10,199.88
6. Step 6: Final answer
   x = 7,898.61