Finding the Fourth Proportional to 7,530.03, 10,390.59 and 4,172.00

Step by Step Solution

1. Step 1: Write the proportion equation
   7,530.03 : 10,390.59 = 4,172.00 : x
2. Step 2: Convert to fraction form
   7,530.03/10,390.59 = 4,172.00/x
3. Step 3: Cross multiply
   7,530.03x = 10,390.59 × 4,172.00
4. Step 4: Simplify right side
   7,530.03x = 43,349,489.53
5. Step 5: Solve for x
   x = 43,349,489.53/7,530.03
6. Step 6: Final answer
   x = 5,756.88