Finding the Fourth Proportional to 7,128.50, 9,837.33 and 4,334

Step by Step Solution

1. Step 1: Write the proportion equation
   7,128.50 : 9,837.33 = 4,334 : x
2. Step 2: Convert to fraction form
   7,128.50/9,837.33 = 4,334/x
3. Step 3: Cross multiply
   7,128.50x = 9,837.33 × 4,334
4. Step 4: Simplify right side
   7,128.50x = 42,634,988.22
5. Step 5: Solve for x
   x = 42,634,988.22/7,128.50
6. Step 6: Final answer
   x = 5,980.92