Finding the Fourth Proportional to 10,317.88, 14,238.68 and 5,602.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,317.88 : 14,238.68 = 5,602.20 : x
2. Step 2: Convert to fraction form
   10,317.88/14,238.68 = 5,602.20/x
3. Step 3: Cross multiply
   10,317.88x = 14,238.68 × 5,602.20
4. Step 4: Simplify right side
   10,317.88x = 79,767,933.10
5. Step 5: Solve for x
   x = 79,767,933.10/10,317.88
6. Step 6: Final answer
   x = 7,731.04