Finding the Fourth Proportional to 10,438.12, 14,404.62 and 5,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.12 : 14,404.62 = 5,722.50 : x
2. Step 2: Convert to fraction form
   10,438.12/14,404.62 = 5,722.50/x
3. Step 3: Cross multiply
   10,438.12x = 14,404.62 × 5,722.50
4. Step 4: Simplify right side
   10,438.12x = 82,430,437.95
5. Step 5: Solve for x
   x = 82,430,437.95/10,438.12
6. Step 6: Final answer
   x = 7,897.06