Finding the Fourth Proportional to 7,321.13, 10,100.53 and 4,175.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,321.13 : 10,100.53 = 4,175.50 : x
2. Step 2: Convert to fraction form
   7,321.13/10,100.53 = 4,175.50/x
3. Step 3: Cross multiply
   7,321.13x = 10,100.53 × 4,175.50
4. Step 4: Simplify right side
   7,321.13x = 42,174,763.02
5. Step 5: Solve for x
   x = 42,174,763.02/7,321.13
6. Step 6: Final answer
   x = 5,760.69